12313231213100 has 72 divisors (see below), whose sum is σ = 26776201088448. Its totient is φ = 4914883417600.

The previous prime is 12313231213093. The next prime is 12313231213103. The reversal of 12313231213100 is 131213231321.

It is a super-2 number, since 2×12313231213100² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12313231213103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307526282 + ... + 307566318.

It is an arithmetic number, because the mean of its divisors is an integer number (371891681784).

Almost surely, 2^{12313231213100} is an apocalyptic number.

12313231213100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12313231213100 is an abundant number, since it is smaller than the sum of its proper divisors (14462969875348).

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

12313231213100 is a wasteful number, since it uses less digits than its factorization.

12313231213100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46475 (or 46468 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12313231213100 its reverse (131213231321), we get a palindrome (12444444444421).

The spelling of 12313231213100 in words is "twelve trillion, three hundred thirteen billion, two hundred thirty-one million, two hundred thirteen thousand, one hundred".