12997232798 has 16 divisors (see below), whose sum is σ = 21786937200. Its totient is φ = 5763739200.

The previous prime is 12997232687. The next prime is 12997232813. The reversal of 12997232798 is 89723279921.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7203773 + ... + 7205576.

It is an arithmetic number, because the mean of its divisors is an integer number (1361683575).

Almost surely, 2^12997232798 is an apocalyptic number.

12997232798 is a deficient number, since it is larger than the sum of its proper divisors (8789704402).

12997232798 is a wasteful number, since it uses less digits than its factorization.

12997232798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14409403.

The product of its digits is 6858432, while the sum is 59.

The spelling of 12997232798 in words is "twelve billion, nine hundred ninety-seven million, two hundred thirty-two thousand, seven hundred ninety-eight".