12117177168 has 40 divisors (see below), whose sum is σ = 31327378848. Its totient is φ = 4035875712.

The previous prime is 12117177161. The next prime is 12117177179. The reversal of 12117177168 is 86177171121.

12117177168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12117177161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37546 + ... + 160137.

Almost surely, 2^12117177168 is an apocalyptic number.

It is an amenable number.

12117177168 is an abundant number, since it is smaller than the sum of its proper divisors (19210201680).

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

12117177168 is a wasteful number, since it uses less digits than its factorization.

12117177168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198971 (or 198965 counting only the distinct ones).

The product of its digits is 32928, while the sum is 42.

The spelling of 12117177168 in words is "twelve billion, one hundred seventeen million, one hundred seventy-seven thousand, one hundred sixty-eight".