12997232459 has 2 divisors, whose sum is σ = 12997232460. Its totient is φ = 12997232458.

The previous prime is 12997232447. The next prime is 12997232497. The reversal of 12997232459 is 95423279921.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12997232459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12997232459.

It is not a weakly prime, because it can be changed into another prime (12997237459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6498616229 + 6498616230.

It is an arithmetic number, because the mean of its divisors is an integer number (6498616230).

Almost surely, 2^12997232459 is an apocalyptic number.

12997232459 is a deficient number, since it is larger than the sum of its proper divisors (1).

12997232459 is an equidigital number, since it uses as much as digits as its factorization.

12997232459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 53.

The spelling of 12997232459 in words is "twelve billion, nine hundred ninety-seven million, two hundred thirty-two thousand, four hundred fifty-nine".