12316520433 has 32 divisors (see below), whose sum is σ = 18945699840. Its totient is φ = 6971610240.

The previous prime is 12316520399. The next prime is 12316520497. The reversal of 12316520433 is 33402561321.

It is not a de Polignac number, because 12316520433 - 2²⁹ = 11779649521 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12316520433.

It is not an unprimeable number, because it can be changed into a prime (12316540433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1408248 + ... + 1416966.

It is an arithmetic number, because the mean of its divisors is an integer number (592053120).

Almost surely, 2^12316520433 is an apocalyptic number.

It is an amenable number.

12316520433 is a deficient number, since it is larger than the sum of its proper divisors (6629179407).

12316520433 is a wasteful number, since it uses less digits than its factorization.

12316520433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9357.

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 12316520433 in words is "twelve billion, three hundred sixteen million, five hundred twenty thousand, four hundred thirty-three".