12745123477473 has 8 divisors (see below), whose sum is σ = 17067705385600. Its totient is φ = 8459645277168.

The previous prime is 12745123477399. The next prime is 12745123477507. The reversal of 12745123477473 is 37477432154721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12745123477473 - 2¹⁴ = 12745123461089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12745123473473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9275926153 + ... + 9275927526.

It is an arithmetic number, because the mean of its divisors is an integer number (2133463173200).

Almost surely, 2^{12745123477473} is an apocalyptic number.

It is an amenable number.

12745123477473 is a deficient number, since it is larger than the sum of its proper divisors (4322581908127).

12745123477473 is a wasteful number, since it uses less digits than its factorization.

12745123477473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18551853911.

The product of its digits is 27659520, while the sum is 57.

The spelling of 12745123477473 in words is "twelve trillion, seven hundred forty-five billion, one hundred twenty-three million, four hundred seventy-seven thousand, four hundred seventy-three".