12302320313021 has 2 divisors, whose sum is σ = 12302320313022. Its totient is φ = 12302320313020.

The previous prime is 12302320312981. The next prime is 12302320313083. The reversal of 12302320313021 is 12031302320321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7780696572100 + 4521623740921 = 2789390^2 + 2126411^2 .

It is a cyclic number.

It is not a de Polignac number, because 12302320313021 - 2⁶ = 12302320312957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12302320333021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151160156510 + 6151160156511.

It is an arithmetic number, because the mean of its divisors is an integer number (6151160156511).

Almost surely, 2^{12302320313021} is an apocalyptic number.

It is an amenable number.

12302320313021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12302320313021 is an equidigital number, since it uses as much as digits as its factorization.

12302320313021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12302320313021 its reverse (12031302320321), we get a palindrome (24333622633342).

The spelling of 12302320313021 in words is "twelve trillion, three hundred two billion, three hundred twenty million, three hundred thirteen thousand, twenty-one".