12322213081 has 2 divisors, whose sum is σ = 12322213082. Its totient is φ = 12322213080.

The previous prime is 12322213063. The next prime is 12322213097. The reversal of 12322213081 is 18031222321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11694259600 + 627953481 = 108140^2 + 25059^2 .

It is a cyclic number.

It is not a de Polignac number, because 12322213081 - 2⁵ = 12322213049 is a prime.

It is a super-2 number, since 2×12322213081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12322213031) 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, 6161106540 + 6161106541.

It is an arithmetic number, because the mean of its divisors is an integer number (6161106541).

Almost surely, 2^12322213081 is an apocalyptic number.

It is an amenable number.

12322213081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12322213081 is an equidigital number, since it uses as much as digits as its factorization.

12322213081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 12322213081 in words is "twelve billion, three hundred twenty-two million, two hundred thirteen thousand, eighty-one".