12710272643381 has 2 divisors, whose sum is σ = 12710272643382. Its totient is φ = 12710272643380.

The previous prime is 12710272643371. The next prime is 12710272643389. The reversal of 12710272643381 is 18334627201721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8542999511281 + 4167273132100 = 2922841^2 + 2041390^2 .

It is a cyclic number.

It is not a de Polignac number, because 12710272643381 - 2⁴² = 8312226132277 is a prime.

It is a super-2 number, since 2×12710272643381² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12710272643389) 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, 6355136321690 + 6355136321691.

It is an arithmetic number, because the mean of its divisors is an integer number (6355136321691).

Almost surely, 2^{12710272643381} is an apocalyptic number.

It is an amenable number.

12710272643381 is a deficient number, since it is larger than the sum of its proper divisors (1).

12710272643381 is an equidigital number, since it uses as much as digits as its factorization.

12710272643381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 12710272643381 in words is "twelve trillion, seven hundred ten billion, two hundred seventy-two million, six hundred forty-three thousand, three hundred eighty-one".