12276370657 has 2 divisors, whose sum is σ = 12276370658. Its totient is φ = 12276370656.

The previous prime is 12276370627. The next prime is 12276370697. The reversal of 12276370657 is 75607367221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11995506576 + 280864081 = 109524^2 + 16759^2 .

It is a cyclic number.

It is not a de Polignac number, because 12276370657 - 2⁷ = 12276370529 is a prime.

It is a super-2 number, since 2×12276370657² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12276370627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6138185328 + 6138185329.

It is an arithmetic number, because the mean of its divisors is an integer number (6138185329).

Almost surely, 2^12276370657 is an apocalyptic number.

It is an amenable number.

12276370657 is a deficient number, since it is larger than the sum of its proper divisors (1).

12276370657 is an equidigital number, since it uses as much as digits as its factorization.

12276370657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 740880, while the sum is 46.

The spelling of 12276370657 in words is "twelve billion, two hundred seventy-six million, three hundred seventy thousand, six hundred fifty-seven".