12313022100 has 36 divisors (see below), whose sum is σ = 35625678144. Its totient is φ = 3283472480.

The previous prime is 12313022087. The next prime is 12313022129. The reversal of 12313022100 is 122031321.

It is a super-2 number, since 2×12313022100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12313022100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20521404 + ... + 20522003.

Almost surely, 2^12313022100 is an apocalyptic number.

12313022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12313022100 is an abundant number, since it is smaller than the sum of its proper divisors (23312656044).

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

12313022100 is a wasteful number, since it uses less digits than its factorization.

12313022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41043424 (or 41043417 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12313022100 its reverse (122031321), we get a palindrome (12435053421).

The spelling of 12313022100 in words is "twelve billion, three hundred thirteen million, twenty-two thousand, one hundred".