12709214257 has 2 divisors, whose sum is σ = 12709214258. Its totient is φ = 12709214256.

The previous prime is 12709214237. The next prime is 12709214261. The reversal of 12709214257 is 75241290721.

12709214257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7876740001 + 4832474256 = 88751^2 + 69516^2 .

It is an emirp because it is prime and its reverse (75241290721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12709214257 - 2²⁷ = 12574996529 is a prime.

It is not a weakly prime, because it can be changed into another prime (12709214237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6354607128 + 6354607129.

It is an arithmetic number, because the mean of its divisors is an integer number (6354607129).

Almost surely, 2^12709214257 is an apocalyptic number.

It is an amenable number.

12709214257 is a deficient number, since it is larger than the sum of its proper divisors (1).

12709214257 is an equidigital number, since it uses as much as digits as its factorization.

12709214257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 12709214257 in words is "twelve billion, seven hundred nine million, two hundred fourteen thousand, two hundred fifty-seven".