13112232112 has 20 divisors (see below), whose sum is σ = 29034228496. Its totient is φ = 5619528000.

The previous prime is 13112232109. The next prime is 13112232121. The reversal of 13112232112 is 21123221131.

It is a self number, because there is not a number n which added to its sum of digits gives 13112232112.

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, 58536639 + ... + 58536862.

Almost surely, 2^13112232112 is an apocalyptic number.

It is an amenable number.

13112232112 is an abundant number, since it is smaller than the sum of its proper divisors (15921996384).

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

13112232112 is a wasteful number, since it uses less digits than its factorization.

13112232112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117073516 (or 117073510 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

Adding to 13112232112 its reverse (21123221131), we get a palindrome (34235453243).

The spelling of 13112232112 in words is "thirteen billion, one hundred twelve million, two hundred thirty-two thousand, one hundred twelve".