12310997545669 has 2 divisors, whose sum is σ = 12310997545670. Its totient is φ = 12310997545668.

The previous prime is 12310997545589. The next prime is 12310997545681. The reversal of 12310997545669 is 96654579901321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11007431885025 + 1303565660644 = 3317745^2 + 1141738^2 .

It is a cyclic number.

It is not a de Polignac number, because 12310997545669 - 2²¹ = 12310995448517 is a prime.

It is a super-2 number, since 2×12310997545669² (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 (12310997545969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155498772834 + 6155498772835.

It is an arithmetic number, because the mean of its divisors is an integer number (6155498772835).

Almost surely, 2^{12310997545669} is an apocalyptic number.

It is an amenable number.

12310997545669 is a deficient number, since it is larger than the sum of its proper divisors (1).

12310997545669 is an equidigital number, since it uses as much as digits as its factorization.

12310997545669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110224800, while the sum is 67.

The spelling of 12310997545669 in words is "twelve trillion, three hundred ten billion, nine hundred ninety-seven million, five hundred forty-five thousand, six hundred sixty-nine".