12170906788704 has 48 divisors (see below), whose sum is σ = 32144634228672. Its totient is φ = 4032079544448.

The previous prime is 12170906788661. The next prime is 12170906788759. The reversal of 12170906788704 is 40788760907121.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×12170906788704² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 388880914 + ... + 388912209.

It is an arithmetic number, because the mean of its divisors is an integer number (669679879764).

Almost surely, 2^{12170906788704} is an apocalyptic number.

It is an amenable number.

12170906788704 is an abundant number, since it is smaller than the sum of its proper divisors (19973727439968).

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

12170906788704 is a wasteful number, since it uses less digits than its factorization.

12170906788704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777793299 (or 777793291 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 60.

The spelling of 12170906788704 in words is "twelve trillion, one hundred seventy billion, nine hundred six million, seven hundred eighty-eight thousand, seven hundred four".