12322230257 has 2 divisors, whose sum is σ = 12322230258. Its totient is φ = 12322230256.

The previous prime is 12322230247. The next prime is 12322230259. The reversal of 12322230257 is 75203222321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12266891536 + 55338721 = 110756^2 + 7439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12322230257 is a prime.

Together with 12322230259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12322230259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161115128 + 6161115129.

It is an arithmetic number, because the mean of its divisors is an integer number (6161115129).

Almost surely, 2^12322230257 is an apocalyptic number.

It is an amenable number.

12322230257 is a deficient number, since it is larger than the sum of its proper divisors (1).

12322230257 is an equidigital number, since it uses as much as digits as its factorization.

12322230257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

Adding to 12322230257 its reverse (75203222321), we get a palindrome (87525452578).

The spelling of 12322230257 in words is "twelve billion, three hundred twenty-two million, two hundred thirty thousand, two hundred fifty-seven".