12312069173 has 4 divisors (see below), whose sum is σ = 12327251328. Its totient is φ = 12296887020.

The previous prime is 12312069149. The next prime is 12312069181. The reversal of 12312069173 is 37196021321.

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 12312069173 - 2⁶ = 12312069109 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 (12312069373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7589861 + ... + 7591482.

It is an arithmetic number, because the mean of its divisors is an integer number (3081812832).

Almost surely, 2^12312069173 is an apocalyptic number.

It is an amenable number.

12312069173 is a deficient number, since it is larger than the sum of its proper divisors (15182155).

12312069173 is an equidigital number, since it uses as much as digits as its factorization.

12312069173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15182154.

The product of its (nonzero) digits is 13608, while the sum is 35.

The spelling of 12312069173 in words is "twelve billion, three hundred twelve million, sixty-nine thousand, one hundred seventy-three".