12311023112232 has 64 divisors (see below), whose sum is σ = 33203110100160. Its totient is φ = 3781373068800.

The previous prime is 12311023112221. The next prime is 12311023112249. The reversal of 12311023112232 is 23221132011321.

It is a super-2 number, since 2×12311023112232² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34373869 + ... + 34730172.

It is an arithmetic number, because the mean of its divisors is an integer number (518798595315).

Almost surely, 2^{12311023112232} is an apocalyptic number.

12311023112232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12311023112232 is an abundant number, since it is smaller than the sum of its proper divisors (20892086987928).

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

12311023112232 is a wasteful number, since it uses less digits than its factorization.

12311023112232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69104634 (or 69104630 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12311023112232 its reverse (23221132011321), we get a palindrome (35532155123553).

The spelling of 12311023112232 in words is "twelve trillion, three hundred eleven billion, twenty-three million, one hundred twelve thousand, two hundred thirty-two".