12326326115021 has 2 divisors, whose sum is σ = 12326326115022. Its totient is φ = 12326326115020.

The previous prime is 12326326114957. The next prime is 12326326115027. The reversal of 12326326115021 is 12051162362321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12044099552521 + 282226562500 = 3470461^2 + 531250^2 .

It is a cyclic number.

It is not a de Polignac number, because 12326326115021 - 2⁶ = 12326326114957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12326326115027) 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, 6163163057510 + 6163163057511.

It is an arithmetic number, because the mean of its divisors is an integer number (6163163057511).

Almost surely, 2^{12326326115021} is an apocalyptic number.

It is an amenable number.

12326326115021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12326326115021 is an equidigital number, since it uses as much as digits as its factorization.

12326326115021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 12326326115021 its reverse (12051162362321), we get a palindrome (24377488477342).

The spelling of 12326326115021 in words is "twelve trillion, three hundred twenty-six billion, three hundred twenty-six million, one hundred fifteen thousand, twenty-one".