This signifies Full High Definition resolution (1920x1080 pixels). In 2012, this was the gold standard for home viewing before the widespread adoption of 4K.
Below is a long-form, investigative article that deconstructs the filename, explains its technical components, warns about the risks of such files, and finally reviews the film itself—all while using the keyword as the central thesis. PROMETHEUS.-2012-.1080P.X264.NL.SUBBED.BRADJE.mkv
: This is likely the title of the movie. Prometheus is a 2012 science fiction film directed by Ridley Scott. investigative article that deconstructs the filename