12122120100112 has 20 divisors (see below), whose sum is σ = 25621753848336. Its totient is φ = 5510054590880.

The previous prime is 12122120100109. The next prime is 12122120100143. The reversal of 12122120100112 is 21100102122121.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 34437841018 + ... + 34437841369.

Almost surely, 2^{12122120100112} is an apocalyptic number.

It is an amenable number.

12122120100112 is an abundant number, since it is smaller than the sum of its proper divisors (13499633748224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122120100112 is a wasteful number, since it uses less digits than its factorization.

12122120100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68875682406 (or 68875682400 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12122120100112 its reverse (21100102122121), we get a palindrome (33222222222233).

The spelling of 12122120100112 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty million, one hundred thousand, one hundred twelve".