12742950317 has 2 divisors, whose sum is σ = 12742950318. Its totient is φ = 12742950316.

The previous prime is 12742950307. The next prime is 12742950323. The reversal of 12742950317 is 71305924721.

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., 12620050921 + 122899396 = 112339^2 + 11086^2 .

It is an emirp because it is prime and its reverse (71305924721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12742950317 - 2⁴ = 12742950301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12742950307) 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, 6371475158 + 6371475159.

It is an arithmetic number, because the mean of its divisors is an integer number (6371475159).

Almost surely, 2^12742950317 is an apocalyptic number.

It is an amenable number.

12742950317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12742950317 is an equidigital number, since it uses as much as digits as its factorization.

12742950317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 12742950317 in words is "twelve billion, seven hundred forty-two million, nine hundred fifty thousand, three hundred seventeen".