12120308251 has 2 divisors, whose sum is σ = 12120308252. Its totient is φ = 12120308250.

The previous prime is 12120308237. The next prime is 12120308267. The reversal of 12120308251 is 15280302121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12120308251 - 2¹¹ = 12120306203 is a prime.

It is not a weakly prime, because it can be changed into another prime (12120302251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060154125 + 6060154126.

It is an arithmetic number, because the mean of its divisors is an integer number (6060154126).

Almost surely, 2^12120308251 is an apocalyptic number.

12120308251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120308251 is an equidigital number, since it uses as much as digits as its factorization.

12120308251 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 25.

The spelling of 12120308251 in words is "twelve billion, one hundred twenty million, three hundred eight thousand, two hundred fifty-one".