12422231251 has 2 divisors, whose sum is σ = 12422231252. Its totient is φ = 12422231250.

The previous prime is 12422231243. The next prime is 12422231281. The reversal of 12422231251 is 15213222421.

12422231251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12422231251 - 2³ = 12422231243 is a prime.

It is not a weakly prime, because it can be changed into another prime (12422231221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6211115625 + 6211115626.

It is an arithmetic number, because the mean of its divisors is an integer number (6211115626).

Almost surely, 2^12422231251 is an apocalyptic number.

12422231251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12422231251 is an equidigital number, since it uses as much as digits as its factorization.

12422231251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 25.

Adding to 12422231251 its reverse (15213222421), we get a palindrome (27635453672).

The spelling of 12422231251 in words is "twelve billion, four hundred twenty-two million, two hundred thirty-one thousand, two hundred fifty-one".