12311616204 has 36 divisors (see below), whose sum is σ = 31125530800. Its totient is φ = 4103278560.

The previous prime is 12311616173. The next prime is 12311616259. The reversal of 12311616204 is 40261611321.

It is a happy number.

12311616204 is a `hidden beast` number, since 1 + 2 + 31 + 1 + 6 + 1 + 620 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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, 278622 + ... + 319770.

Almost surely, 2^12311616204 is an apocalyptic number.

It is an amenable number.

12311616204 is an abundant number, since it is smaller than the sum of its proper divisors (18813914596).

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

12311616204 is a wasteful number, since it uses less digits than its factorization.

12311616204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49470 (or 49465 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 12311616204 in words is "twelve billion, three hundred eleven million, six hundred sixteen thousand, two hundred four".