12560435173 has 16 divisors (see below), whose sum is σ = 14796585216. Its totient is φ = 10511461440.

The previous prime is 12560435143. The next prime is 12560435183. The reversal of 12560435173 is 37153406521.

It is a cyclic number.

It is not a de Polignac number, because 12560435173 - 2⁵ = 12560435141 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 (12560435123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67186 + ... + 172147.

It is an arithmetic number, because the mean of its divisors is an integer number (924786576).

Almost surely, 2^12560435173 is an apocalyptic number.

12560435173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12560435173 is a deficient number, since it is larger than the sum of its proper divisors (2236150043).

12560435173 is a wasteful number, since it uses less digits than its factorization.

12560435173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239724.

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 12560435173 in words is "twelve billion, five hundred sixty million, four hundred thirty-five thousand, one hundred seventy-three".