12323555012 has 24 divisors (see below), whose sum is σ = 21927601752. Its totient is φ = 6058598400.

The previous prime is 12323554963. The next prime is 12323555039. The reversal of 12323555012 is 21055532321.

It can be written as a sum of positive squares in 4 ways, for example, as 1200899716 + 11122655296 = 34654^2 + 105464^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837188 + ... + 851780.

It is an arithmetic number, because the mean of its divisors is an integer number (913650073).

Almost surely, 2^12323555012 is an apocalyptic number.

It is an amenable number.

12323555012 is a deficient number, since it is larger than the sum of its proper divisors (9604046740).

12323555012 is a wasteful number, since it uses less digits than its factorization.

12323555012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18119 (or 18117 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 12323555012 in words is "twelve billion, three hundred twenty-three million, five hundred fifty-five thousand, twelve".