12318556351 has 2 divisors, whose sum is σ = 12318556352. Its totient is φ = 12318556350.

The previous prime is 12318556319. The next prime is 12318556373. The reversal of 12318556351 is 15365581321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12318556351 - 2⁵ = 12318556319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12318556391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6159278175 + 6159278176.

It is an arithmetic number, because the mean of its divisors is an integer number (6159278176).

Almost surely, 2^12318556351 is an apocalyptic number.

12318556351 is a deficient number, since it is larger than the sum of its proper divisors (1).

12318556351 is an equidigital number, since it uses as much as digits as its factorization.

12318556351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 40.

The spelling of 12318556351 in words is "twelve billion, three hundred eighteen million, five hundred fifty-six thousand, three hundred fifty-one".