12745123477472 has 24 divisors (see below), whose sum is σ = 25283503548072. Its totient is φ = 6323916227200.

The previous prime is 12745123477399. The next prime is 12745123477507. The reversal of 12745123477472 is 27477432154721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1520167979 + ... + 1520176362.

It is an arithmetic number, because the mean of its divisors is an integer number (1053479314503).

Almost surely, 2^{12745123477472} is an apocalyptic number.

It is an amenable number.

12745123477472 is a deficient number, since it is larger than the sum of its proper divisors (12538380070600).

12745123477472 is a wasteful number, since it uses less digits than its factorization.

12745123477472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040344482 (or 3040344474 counting only the distinct ones).

The product of its digits is 18439680, while the sum is 56.

The spelling of 12745123477472 in words is "twelve trillion, seven hundred forty-five billion, one hundred twenty-three million, four hundred seventy-seven thousand, four hundred seventy-two".