12321020312969 has 2 divisors, whose sum is σ = 12321020312970. Its totient is φ = 12321020312968.

The previous prime is 12321020312933. The next prime is 12321020313101. The reversal of 12321020312969 is 96921302012321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11312425926025 + 1008594386944 = 3363395^2 + 1004288^2 .

It is a cyclic number.

It is not a de Polignac number, because 12321020312969 - 2¹⁶ = 12321020247433 is a prime.

It is a super-2 number, since 2×12321020312969² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12321020362969) 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, 6160510156484 + 6160510156485.

It is an arithmetic number, because the mean of its divisors is an integer number (6160510156485).

Almost surely, 2^{12321020312969} is an apocalyptic number.

It is an amenable number.

12321020312969 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321020312969 is an equidigital number, since it uses as much as digits as its factorization.

12321020312969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 12321020312969 in words is "twelve trillion, three hundred twenty-one billion, twenty million, three hundred twelve thousand, nine hundred sixty-nine".