12313120110312 has 64 divisors (see below), whose sum is σ = 35457353809920. Its totient is φ = 3490333253568.

The previous prime is 12313120110311. The next prime is 12313120110341. The reversal of 12313120110312 is 21301102131321.

It is a super-2 number, since 2×12313120110312² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12313120110311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288531348 + ... + 288574019.

It is an arithmetic number, because the mean of its divisors is an integer number (554021153280).

Almost surely, 2^{12313120110312} is an apocalyptic number.

12313120110312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12313120110312 is an abundant number, since it is smaller than the sum of its proper divisors (23144233699608).

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

12313120110312 is a wasteful number, since it uses less digits than its factorization.

12313120110312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577105510 (or 577105506 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12313120110312 its reverse (21301102131321), we get a palindrome (33614222241633).

The spelling of 12313120110312 in words is "twelve trillion, three hundred thirteen billion, one hundred twenty million, one hundred ten thousand, three hundred twelve".