12276522637 has 2 divisors, whose sum is σ = 12276522638. Its totient is φ = 12276522636.

The previous prime is 12276522589. The next prime is 12276522641. The reversal of 12276522637 is 73622567221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12275310436 + 1212201 = 110794^2 + 1101^2 .

It is a cyclic number.

It is not a de Polignac number, because 12276522637 - 2³¹ = 10129038989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12276522593 and 12276522602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12276522667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6138261318 + 6138261319.

It is an arithmetic number, because the mean of its divisors is an integer number (6138261319).

Almost surely, 2^12276522637 is an apocalyptic number.

It is an amenable number.

12276522637 is a deficient number, since it is larger than the sum of its proper divisors (1).

12276522637 is an equidigital number, since it uses as much as digits as its factorization.

12276522637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 43.

The spelling of 12276522637 in words is "twelve billion, two hundred seventy-six million, five hundred twenty-two thousand, six hundred thirty-seven".