12533999932 has 6 divisors (see below), whose sum is σ = 21934499888. Its totient is φ = 6266999964.

The previous prime is 12533999923. The next prime is 12533999957. The reversal of 12533999932 is 23999933521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1566749988 + ... + 1566749995.

Almost surely, 2^12533999932 is an apocalyptic number.

It is an amenable number.

12533999932 is a deficient number, since it is larger than the sum of its proper divisors (9400499956).

12533999932 is a wasteful number, since it uses less digits than its factorization.

12533999932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133499987 (or 3133499985 counting only the distinct ones).

The product of its digits is 3542940, while the sum is 55.

The spelling of 12533999932 in words is "twelve billion, five hundred thirty-three million, nine hundred ninety-nine thousand, nine hundred thirty-two".