12897537399179 has 2 divisors, whose sum is σ = 12897537399180. Its totient is φ = 12897537399178.

The previous prime is 12897537399167. The next prime is 12897537399223. The reversal of 12897537399179 is 97199373579821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12897537399179 - 2⁸ = 12897537398923 is a prime.

It is not a weakly prime, because it can be changed into another prime (12897537339179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6448768699589 + 6448768699590.

It is an arithmetic number, because the mean of its divisors is an integer number (6448768699590).

Almost surely, 2^{12897537399179} is an apocalyptic number.

12897537399179 is a deficient number, since it is larger than the sum of its proper divisors (1).

12897537399179 is an equidigital number, since it uses as much as digits as its factorization.

12897537399179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620304560, while the sum is 80.

The spelling of 12897537399179 in words is "twelve trillion, eight hundred ninety-seven billion, five hundred thirty-seven million, three hundred ninety-nine thousand, one hundred seventy-nine".