12461573317 has 2 divisors, whose sum is σ = 12461573318. Its totient is φ = 12461573316.

The previous prime is 12461573309. The next prime is 12461573329. The reversal of 12461573317 is 71337516421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12400826881 + 60746436 = 111359^2 + 7794^2 .

It is a cyclic number.

It is not a de Polignac number, because 12461573317 - 2³ = 12461573309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12461573317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12461523317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6230786658 + 6230786659.

It is an arithmetic number, because the mean of its divisors is an integer number (6230786659).

Almost surely, 2^12461573317 is an apocalyptic number.

It is an amenable number.

12461573317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12461573317 is an equidigital number, since it uses as much as digits as its factorization.

12461573317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The spelling of 12461573317 in words is "twelve billion, four hundred sixty-one million, five hundred seventy-three thousand, three hundred seventeen".