12633771532 has 48 divisors (see below), whose sum is σ = 22527016960. Its totient is φ = 6199042752.

The previous prime is 12633771509. The next prime is 12633771541. The reversal of 12633771532 is 23517733621.

It is a super-2 number, since 2×12633771532² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25941793 + ... + 25942279.

Almost surely, 2^12633771532 is an apocalyptic number.

It is an amenable number.

12633771532 is a deficient number, since it is larger than the sum of its proper divisors (9893245428).

12633771532 is a wasteful number, since it uses less digits than its factorization.

12633771532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070 (or 1068 counting only the distinct ones).

The product of its digits is 158760, while the sum is 40.

The spelling of 12633771532 in words is "twelve billion, six hundred thirty-three million, seven hundred seventy-one thousand, five hundred thirty-two".