12322230251 has 4 divisors (see below), whose sum is σ = 12400715952. Its totient is φ = 12243744552.

The previous prime is 12322230247. The next prime is 12322230257. The reversal of 12322230251 is 15203222321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15203222321 = 7 ⋅2171888903.

It is a cyclic number.

It is not a de Polignac number, because 12322230251 - 2² = 12322230247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12322230257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39242615 + ... + 39242928.

It is an arithmetic number, because the mean of its divisors is an integer number (3100178988).

Almost surely, 2^12322230251 is an apocalyptic number.

12322230251 is a deficient number, since it is larger than the sum of its proper divisors (78485701).

12322230251 is an equidigital number, since it uses as much as digits as its factorization.

12322230251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78485700.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 12322230251 its reverse (15203222321), we get a palindrome (27525452572).

The spelling of 12322230251 in words is "twelve billion, three hundred twenty-two million, two hundred thirty thousand, two hundred fifty-one".