12313200231312 has 80 divisors (see below), whose sum is σ = 31857837485760. Its totient is φ = 4098112704000.

The previous prime is 12313200231281. The next prime is 12313200231347. The reversal of 12313200231312 is 21313200231321.

It is a super-2 number, since 2×12313200231312² (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, 563290239 + ... + 563312097.

It is an arithmetic number, because the mean of its divisors is an integer number (398222968572).

Almost surely, 2^{12313200231312} is an apocalyptic number.

12313200231312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12313200231312 is an abundant number, since it is smaller than the sum of its proper divisors (19544637254448).

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

12313200231312 is a wasteful number, since it uses less digits than its factorization.

12313200231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39312 (or 39306 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12313200231312 its reverse (21313200231321), we get a palindrome (33626400462633).

Subtracting 12313200231312 from its reverse (21313200231321), we obtain a palindrome (9000000000009).

The spelling of 12313200231312 in words is "twelve trillion, three hundred thirteen billion, two hundred million, two hundred thirty-one thousand, three hundred twelve".