13112111232 has 96 divisors (see below), whose sum is σ = 41161638960. Its totient is φ = 3973363200.

The previous prime is 13112111219. The next prime is 13112111249. The reversal of 13112111232 is 23211121131.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 504694 + ... + 530037.

Almost surely, 2^13112111232 is an apocalyptic number.

13112111232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13112111232 is an abundant number, since it is smaller than the sum of its proper divisors (28049527728).

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

13112111232 is a wasteful number, since it uses less digits than its factorization.

13112111232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034762 (or 1034747 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

Adding to 13112111232 its reverse (23211121131), we get a palindrome (36323232363).

The spelling of 13112111232 in words is "thirteen billion, one hundred twelve million, one hundred eleven thousand, two hundred thirty-two".