12117436032 has 64 divisors (see below), whose sum is σ = 34662872160. Its totient is φ = 3728440320.

The previous prime is 12117436021. The next prime is 12117436043. The reversal of 12117436032 is 23063471121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12117436021) and next prime (12117436043).

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×12117436032² (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 7 ways as a sum of consecutive naturals, for example, 1208694 + ... + 1218677.

Almost surely, 2^12117436032 is an apocalyptic number.

12117436032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12117436032 is an abundant number, since it is smaller than the sum of its proper divisors (22545436128).

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

12117436032 is a wasteful number, since it uses less digits than its factorization.

12117436032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427401 (or 2427389 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 12117436032 in words is "twelve billion, one hundred seventeen million, four hundred thirty-six thousand, thirty-two".