12333531996 has 36 divisors (see below), whose sum is σ = 31179914584. Its totient is φ = 4110717600.

The previous prime is 12333531967. The next prime is 12333532019. The reversal of 12333531996 is 69913533321.

12333531996 is a `hidden beast` number, since 1 + 23 + 3 + 3 + 531 + 9 + 96 = 666.

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

It is a super-2 number, since 2×12333531996² (a number of 21 digits) contains 22 as substring.

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, 499911 + ... + 524001.

Almost surely, 2^12333531996 is an apocalyptic number.

It is an amenable number.

12333531996 is an abundant number, since it is smaller than the sum of its proper divisors (18846382588).

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

12333531996 is a wasteful number, since it uses less digits than its factorization.

12333531996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38322 (or 38317 counting only the distinct ones).

The product of its digits is 393660, while the sum is 45.

The spelling of 12333531996 in words is "twelve billion, three hundred thirty-three million, five hundred thirty-one thousand, nine hundred ninety-six".