1272522468317 has 2 divisors, whose sum is σ = 1272522468318. Its totient is φ = 1272522468316.

The previous prime is 1272522468241. The next prime is 1272522468319. The reversal of 1272522468317 is 7138642252721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 765871769881 + 506650698436 = 875141^2 + 711794^2 .

It is a cyclic number.

It is not a de Polignac number, because 1272522468317 - 2¹⁸ = 1272522206173 is a prime.

Together with 1272522468319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1272522468319) 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, 636261234158 + 636261234159.

It is an arithmetic number, because the mean of its divisors is an integer number (636261234159).

Almost surely, 2^{1272522468317} is an apocalyptic number.

It is an amenable number.

1272522468317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1272522468317 is an equidigital number, since it uses as much as digits as its factorization.

1272522468317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 50.

The spelling of 1272522468317 in words is "one trillion, two hundred seventy-two billion, five hundred twenty-two million, four hundred sixty-eight thousand, three hundred seventeen".