12962-br1080p-subs-tangled.mp4 -

: Likely an internal identification or release number from a specific digital library or distribution group.

: Specifies the source and quality. "BR" stands for Blu-ray , and "1080p" refers to a Full HD resolution of 1920x1080 pixels. 12962-BR1080p-SUBS-TANGLED.mp4

: The file container format, a widely compatible MPEG-4 video format. How to Verify and Manage the File : Likely an internal identification or release number

: You can right-click the file on a Windows PC and select Properties > Details to manually change the "Title" attribute if it's showing the raw filename in media players like Plex. you can use several standard tools:

Movies show up with original file name instead of real title : r/PleX

If you want to confirm the contents or clean up the metadata, you can use several standard tools: