12997232498 has 8 divisors (see below), whose sum is σ = 20022763692. Its totient is φ = 6322977936.

The previous prime is 12997232497. The next prime is 12997232527. The reversal of 12997232498 is 89423279921.

It can be written as a sum of positive squares in 2 ways, for example, as 10932166249 + 2065066249 = 104557^2 + 45443^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12997232497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87819065 + ... + 87819212.

Almost surely, 2^12997232498 is an apocalyptic number.

12997232498 is a deficient number, since it is larger than the sum of its proper divisors (7025531194).

12997232498 is a wasteful number, since it uses less digits than its factorization.

12997232498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175638316.

The product of its digits is 3919104, while the sum is 56.

The spelling of 12997232498 in words is "twelve billion, nine hundred ninety-seven million, two hundred thirty-two thousand, four hundred ninety-eight".