1231392470744 has 64 divisors (see below), whose sum is σ = 2399265943200. Its totient is φ = 591782969344.

The previous prime is 1231392470743. The next prime is 1231392470747. The reversal of 1231392470744 is 4470742931321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231392470743) 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, 111908747 + ... + 111919749.

Almost surely, 2^{1231392470744} is an apocalyptic number.

It is an amenable number.

1231392470744 is a deficient number, since it is larger than the sum of its proper divisors (1167873472456).

1231392470744 is a wasteful number, since it uses less digits than its factorization.

1231392470744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13172 (or 13168 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 1231392470744 in words is "one trillion, two hundred thirty-one billion, three hundred ninety-two million, four hundred seventy thousand, seven hundred forty-four".