12630640609997 has 2 divisors, whose sum is σ = 12630640609998. Its totient is φ = 12630640609996.

The previous prime is 12630640609973. The next prime is 12630640610033. The reversal of 12630640609997 is 79990604603621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7866151371556 + 4764489238441 = 2804666^2 + 2182771^2 .

It is a cyclic number.

It is not a de Polignac number, because 12630640609997 - 2⁴² = 8232594098893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12630640609907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315320304998 + 6315320304999.

It is an arithmetic number, because the mean of its divisors is an integer number (6315320304999).

Almost surely, 2^{12630640609997} is an apocalyptic number.

It is an amenable number.

12630640609997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12630640609997 is an equidigital number, since it uses as much as digits as its factorization.

12630640609997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26453952, while the sum is 62.

The spelling of 12630640609997 in words is "twelve trillion, six hundred thirty billion, six hundred forty million, six hundred nine thousand, nine hundred ninety-seven".