Answers

How many ports are open on the target machine? 1

What port is this? 8012

This port is unassigned, but still lists the protocol it's using, what protocol is this? tcp

Now re-run the nmap scan, without the -p- tag, how many ports show up as open? 0

Based on the title returned to us, what do we think this port could be used for? a backdoor

Who could it belong to? Gathering possible usernames is an important step in enumeration. skidy