12630868213 has 2 divisors, whose sum is σ = 12630868214. Its totient is φ = 12630868212.

The previous prime is 12630868183. The next prime is 12630868277. The reversal of 12630868213 is 31286803621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9211776484 + 3419091729 = 95978^2 + 58473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12630868213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12630878213) 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, 6315434106 + 6315434107.

It is an arithmetic number, because the mean of its divisors is an integer number (6315434107).

Almost surely, 2^12630868213 is an apocalyptic number.

It is an amenable number.

12630868213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12630868213 is an equidigital number, since it uses as much as digits as its factorization.

12630868213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 12630868213 in words is "twelve billion, six hundred thirty million, eight hundred sixty-eight thousand, two hundred thirteen".