12320010251 has 2 divisors, whose sum is σ = 12320010252. Its totient is φ = 12320010250.

The previous prime is 12320010221. The next prime is 12320010259. The reversal of 12320010251 is 15201002321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12320010251 - 2¹⁰ = 12320009227 is a prime.

It is not a weakly prime, because it can be changed into another prime (12320010259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160005125 + 6160005126.

It is an arithmetic number, because the mean of its divisors is an integer number (6160005126).

Almost surely, 2^12320010251 is an apocalyptic number.

12320010251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320010251 is an equidigital number, since it uses as much as digits as its factorization.

12320010251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 12320010251 its reverse (15201002321), we get a palindrome (27521012572).

The spelling of 12320010251 in words is "twelve billion, three hundred twenty million, ten thousand, two hundred fifty-one".