12309177073056 has 96 divisors (see below), whose sum is σ = 33717603604608. Its totient is φ = 3924529889280.

The previous prime is 12309177073049. The next prime is 12309177073069. The reversal of 12309177073056 is 65037077190321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×12309177073056² (a number of 27 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, 78564076 + ... + 78720596.

It is an arithmetic number, because the mean of its divisors is an integer number (351225037548).

Almost surely, 2^{12309177073056} is an apocalyptic number.

12309177073056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12309177073056 is an abundant number, since it is smaller than the sum of its proper divisors (21408426531552).

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

12309177073056 is a wasteful number, since it uses less digits than its factorization.

12309177073056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192174 (or 192166 counting only the distinct ones).

The product of its (nonzero) digits is 1666980, while the sum is 51.

The spelling of 12309177073056 in words is "twelve trillion, three hundred nine billion, one hundred seventy-seven million, seventy-three thousand, fifty-six".