12177845332 has 12 divisors (see below), whose sum is σ = 22432873120. Its totient is φ = 5768453016.

The previous prime is 12177845321. The next prime is 12177845357. The reversal of 12177845332 is 23354877121.

It is a super-2 number, since 2×12177845332² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80117328 + ... + 80117479.

Almost surely, 2^12177845332 is an apocalyptic number.

It is an amenable number.

12177845332 is a deficient number, since it is larger than the sum of its proper divisors (10255027788).

12177845332 is a wasteful number, since it uses less digits than its factorization.

12177845332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160234830 (or 160234828 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The spelling of 12177845332 in words is "twelve billion, one hundred seventy-seven million, eight hundred forty-five thousand, three hundred thirty-two".