12302330021 has 2 divisors, whose sum is σ = 12302330022. Its totient is φ = 12302330020.

The previous prime is 12302330009. The next prime is 12302330023. The reversal of 12302330021 is 12003320321.

12302330021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7415620996 + 4886709025 = 86114^2 + 69905^2 .

It is a cyclic number.

It is not a de Polignac number, because 12302330021 - 2²⁶ = 12235221157 is a prime.

Together with 12302330023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12302330023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151165010 + 6151165011.

It is an arithmetic number, because the mean of its divisors is an integer number (6151165011).

Almost surely, 2^12302330021 is an apocalyptic number.

It is an amenable number.

12302330021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12302330021 is an equidigital number, since it uses as much as digits as its factorization.

12302330021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12302330021 its reverse (12003320321), we get a palindrome (24305650342).

The spelling of 12302330021 in words is "twelve billion, three hundred two million, three hundred thirty thousand, twenty-one".