12745123477475 has 12 divisors (see below), whose sum is σ = 15807193770384. Its totient is φ = 10194008034720.

The previous prime is 12745123477399. The next prime is 12745123477507. The reversal of 12745123477475 is 57477432154721.

It is a happy number.

It is not a de Polignac number, because 12745123477475 - 2²⁴ = 12745106700259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52144319 + ... + 52388168.

It is an arithmetic number, because the mean of its divisors is an integer number (1317266147532).

Almost surely, 2^{12745123477475} is an apocalyptic number.

12745123477475 is a deficient number, since it is larger than the sum of its proper divisors (3062070292909).

12745123477475 is a wasteful number, since it uses less digits than its factorization.

12745123477475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104537374 (or 104537369 counting only the distinct ones).

The product of its digits is 46099200, while the sum is 59.

The spelling of 12745123477475 in words is "twelve trillion, seven hundred forty-five billion, one hundred twenty-three million, four hundred seventy-seven thousand, four hundred seventy-five".