12626355463321 has 2 divisors, whose sum is σ = 12626355463322. Its totient is φ = 12626355463320.

The previous prime is 12626355463289. The next prime is 12626355463333. The reversal of 12626355463321 is 12336455362621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11297094043225 + 1329261420096 = 3361115^2 + 1152936^2 .

It is a cyclic number.

It is not a de Polignac number, because 12626355463321 - 2⁵ = 12626355463289 is a prime.

It is a super-2 number, since 2×12626355463321² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12626355463921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6313177731660 + 6313177731661.

It is an arithmetic number, because the mean of its divisors is an integer number (6313177731661).

Almost surely, 2^{12626355463321} is an apocalyptic number.

It is an amenable number.

12626355463321 is a deficient number, since it is larger than the sum of its proper divisors (1).

12626355463321 is an equidigital number, since it uses as much as digits as its factorization.

12626355463321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4665600, while the sum is 49.

The spelling of 12626355463321 in words is "twelve trillion, six hundred twenty-six billion, three hundred fifty-five million, four hundred sixty-three thousand, three hundred twenty-one".