12374317520 has 30 divisors (see below), whose sum is σ = 28772601702. Its totient is φ = 4949329024.

The previous prime is 12374317519. The next prime is 12374317537. The reversal of 12374317520 is 2571347321.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 900480064 + 11473837456 = 30008^2 + 107116^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 988742 + ... + 1001178.

Almost surely, 2^12374317520 is an apocalyptic number.

12374317520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12374317520 is an abundant number, since it is smaller than the sum of its proper divisors (16398284182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12374317520 is an frugal number, since it uses more digits than its factorization.

12374317520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24887 (or 12444 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

Multiplying 12374317520 by its product of nonzero digits (35280), we get a square (436565922105600 = 20894160²).

The spelling of 12374317520 in words is "twelve billion, three hundred seventy-four million, three hundred seventeen thousand, five hundred twenty".