12323312102021 has 2 divisors, whose sum is σ = 12323312102022. Its totient is φ = 12323312102020.

The previous prime is 12323312101999. The next prime is 12323312102051. The reversal of 12323312102021 is 12020121332321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11909670179521 + 413641922500 = 3451039^2 + 643150^2 .

It is a cyclic number.

It is not a de Polignac number, because 12323312102021 - 2³⁴ = 12306132232837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12323312102051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161656051010 + 6161656051011.

It is an arithmetic number, because the mean of its divisors is an integer number (6161656051011).

Almost surely, 2^{12323312102021} is an apocalyptic number.

It is an amenable number.

12323312102021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12323312102021 is an equidigital number, since it uses as much as digits as its factorization.

12323312102021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12323312102021 its reverse (12020121332321), we get a palindrome (24343433434342).

The spelling of 12323312102021 in words is "twelve trillion, three hundred twenty-three billion, three hundred twelve million, one hundred two thousand, twenty-one".