12302032000021 has 2 divisors, whose sum is σ = 12302032000022. Its totient is φ = 12302032000020.

The previous prime is 12302031999977. The next prime is 12302032000039. The reversal of 12302032000021 is 12000023020321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6629394207121 + 5672637792900 = 2574761^2 + 2381730^2 .

It is a cyclic number.

It is not a de Polignac number, because 12302032000021 - 2¹⁹ = 12302031475733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12302031999959 and 12302032000004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12302032070021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151016000010 + 6151016000011.

It is an arithmetic number, because the mean of its divisors is an integer number (6151016000011).

Almost surely, 2^{12302032000021} is an apocalyptic number.

It is an amenable number.

12302032000021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12302032000021 is an equidigital number, since it uses as much as digits as its factorization.

12302032000021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12302032000021 its reverse (12000023020321), we get a palindrome (24302055020342).

The spelling of 12302032000021 in words is "twelve trillion, three hundred two billion, thirty-two million, twenty-one", and thus it is an aban number.