4712-br720p-subs-ksanthiesgomenoi.mp4 -

: This is likely an internal release number used by a specific group or a database ID.

: This is the standard file extension for a MPEG-4 video container, which is compatible with almost all modern devices. 4712-BR720p-SUBS-KSANTHIESGOMENOI.mp4

This filename refers to a digital video file, most likely a movie or TV show episode, that has been shared online. Based on the naming conventions used in file-sharing communities, : This is likely an internal release number

: This indicates the source and quality. "BR" stands for Blu-ray , and " 720p " refers to a High Definition resolution of 1280x720 pixels. 4712-BR720p-SUBS-KSANTHIESGOMENOI.mp4