13112323112 has 16 divisors (see below), whose sum is σ = 28097835360. Its totient is φ = 5619567024.

The previous prime is 13112323109. The next prime is 13112323139. The reversal of 13112323112 is 21132321131.

It is a happy number.

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, 117074258 + ... + 117074369.

It is an arithmetic number, because the mean of its divisors is an integer number (1756114710).

Almost surely, 2^13112323112 is an apocalyptic number.

It is an amenable number.

13112323112 is an abundant number, since it is smaller than the sum of its proper divisors (14985512248).

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

13112323112 is a wasteful number, since it uses less digits than its factorization.

13112323112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234148640 (or 234148636 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

Adding to 13112323112 its reverse (21132321131), we get a palindrome (34244644243).

The spelling of 13112323112 in words is "thirteen billion, one hundred twelve million, three hundred twenty-three thousand, one hundred twelve".