12122110112012 has 12 divisors (see below), whose sum is σ = 21323608203576. Its totient is φ = 6029650625280.

The previous prime is 12122110111939. The next prime is 12122110112237. The reversal of 12122110112012 is 21021101122121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7851106814 + ... + 7851108357.

It is an arithmetic number, because the mean of its divisors is an integer number (1776967350298).

Almost surely, 2^{12122110112012} is an apocalyptic number.

It is an amenable number.

12122110112012 is a deficient number, since it is larger than the sum of its proper divisors (9201498091564).

12122110112012 is a wasteful number, since it uses less digits than its factorization.

12122110112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15702215368 (or 15702215366 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12122110112012 its reverse (21021101122121), we get a palindrome (33143211234133).

The spelling of 12122110112012 in words is "twelve trillion, one hundred twenty-two billion, one hundred ten million, one hundred twelve thousand, twelve".