12422977951 has 2 divisors, whose sum is σ = 12422977952. Its totient is φ = 12422977950.

The previous prime is 12422977891. The next prime is 12422977967. The reversal of 12422977951 is 15977922421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12422977951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12422977895 and 12422977904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12422977981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6211488975 + 6211488976.

It is an arithmetic number, because the mean of its divisors is an integer number (6211488976).

Almost surely, 2^12422977951 is an apocalyptic number.

12422977951 is a deficient number, since it is larger than the sum of its proper divisors (1).

12422977951 is an equidigital number, since it uses as much as digits as its factorization.

12422977951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 49.

The spelling of 12422977951 in words is "twelve billion, four hundred twenty-two million, nine hundred seventy-seven thousand, nine hundred fifty-one".