12056115173 has 4 divisors (see below), whose sum is σ = 12071435040. Its totient is φ = 12040795308.

The previous prime is 12056115121. The next prime is 12056115179. The reversal of 12056115173 is 37151165021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12056115173 - 2²² = 12051920869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12056115179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7658753 + ... + 7660326.

It is an arithmetic number, because the mean of its divisors is an integer number (3017858760).

Almost surely, 2^12056115173 is an apocalyptic number.

It is an amenable number.

12056115173 is a deficient number, since it is larger than the sum of its proper divisors (15319867).

12056115173 is an equidigital number, since it uses as much as digits as its factorization.

12056115173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15319866.

The product of its (nonzero) digits is 6300, while the sum is 32.

The spelling of 12056115173 in words is "twelve billion, fifty-six million, one hundred fifteen thousand, one hundred seventy-three".