12324020251 has 2 divisors, whose sum is σ = 12324020252. Its totient is φ = 12324020250.

The previous prime is 12324020227. The next prime is 12324020279. The reversal of 12324020251 is 15202042321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12324020251 - 2¹⁵ = 12323987483 is a prime.

It is not a weakly prime, because it can be changed into another prime (12324020201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6162010125 + 6162010126.

It is an arithmetic number, because the mean of its divisors is an integer number (6162010126).

Almost surely, 2^12324020251 is an apocalyptic number.

12324020251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12324020251 is an equidigital number, since it uses as much as digits as its factorization.

12324020251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 12324020251 its reverse (15202042321), we get a palindrome (27526062572).

The spelling of 12324020251 in words is "twelve billion, three hundred twenty-four million, twenty thousand, two hundred fifty-one".