12117356376 has 16 divisors (see below), whose sum is σ = 30293391000. Its totient is φ = 4039118784.

The previous prime is 12117356341. The next prime is 12117356389. The reversal of 12117356376 is 67365371121.

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, 252444901 + ... + 252444948.

Almost surely, 2^12117356376 is an apocalyptic number.

It is an amenable number.

12117356376 is an abundant number, since it is smaller than the sum of its proper divisors (18176034624).

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

12117356376 is a wasteful number, since it uses less digits than its factorization.

12117356376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504889858 (or 504889854 counting only the distinct ones).

The product of its digits is 158760, while the sum is 42.

The spelling of 12117356376 in words is "twelve billion, one hundred seventeen million, three hundred fifty-six thousand, three hundred seventy-six".