12951645882317 has 2 divisors, whose sum is σ = 12951645882318. Its totient is φ = 12951645882316.

The previous prime is 12951645882191. The next prime is 12951645882379. The reversal of 12951645882317 is 71328854615921.

It is an a-pointer prime, because the next prime (12951645882379) can be obtained adding 12951645882317 to its sum of digits (62).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12345146036356 + 606499845961 = 3513566^2 + 778781^2 .

It is a cyclic number.

It is not a de Polignac number, because 12951645882317 - 2¹² = 12951645878221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12951645882317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12951645882397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6475822941158 + 6475822941159.

It is an arithmetic number, because the mean of its divisors is an integer number (6475822941159).

Almost surely, 2^{12951645882317} is an apocalyptic number.

It is an amenable number.

12951645882317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12951645882317 is an equidigital number, since it uses as much as digits as its factorization.

12951645882317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29030400, while the sum is 62.

The spelling of 12951645882317 in words is "twelve trillion, nine hundred fifty-one billion, six hundred forty-five million, eight hundred eighty-two thousand, three hundred seventeen".