12316521700 has 36 divisors (see below), whose sum is σ = 30544975552. Its totient is φ = 4222807200.

The previous prime is 12316521683. The next prime is 12316521733. The reversal of 12316521700 is 712561321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8796816 + ... + 8798215.

Almost surely, 2^12316521700 is an apocalyptic number.

12316521700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12316521700 is an abundant number, since it is smaller than the sum of its proper divisors (18228453852).

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

12316521700 is a wasteful number, since it uses less digits than its factorization.

12316521700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17595052 (or 17595045 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 12316521700 in words is "twelve billion, three hundred sixteen million, five hundred twenty-one thousand, seven hundred".