12382508317 has 2 divisors, whose sum is σ = 12382508318. Its totient is φ = 12382508316.

The previous prime is 12382508293. The next prime is 12382508329. The reversal of 12382508317 is 71380528321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11362280836 + 1020227481 = 106594^2 + 31941^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12382508317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12382508317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12382508377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6191254158 + 6191254159.

It is an arithmetic number, because the mean of its divisors is an integer number (6191254159).

Almost surely, 2^12382508317 is an apocalyptic number.

It is an amenable number.

12382508317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12382508317 is an equidigital number, since it uses as much as digits as its factorization.

12382508317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 12382508317 in words is "twelve billion, three hundred eighty-two million, five hundred eight thousand, three hundred seventeen".