12968202197 has 2 divisors, whose sum is σ = 12968202198. Its totient is φ = 12968202196.

The previous prime is 12968202173. The next prime is 12968202251. The reversal of 12968202197 is 79120286921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12250283761 + 717918436 = 110681^2 + 26794^2 .

It is a cyclic number.

It is not a de Polignac number, because 12968202197 - 2¹⁶ = 12968136661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12968202167) 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, 6484101098 + 6484101099.

It is an arithmetic number, because the mean of its divisors is an integer number (6484101099).

Almost surely, 2^12968202197 is an apocalyptic number.

It is an amenable number.

12968202197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12968202197 is an equidigital number, since it uses as much as digits as its factorization.

12968202197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 12968202197 in words is "twelve billion, nine hundred sixty-eight million, two hundred two thousand, one hundred ninety-seven".