12862110197 has 2 divisors, whose sum is σ = 12862110198. Its totient is φ = 12862110196.

The previous prime is 12862110187. The next prime is 12862110221. The reversal of 12862110197 is 79101126821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12277969636 + 584140561 = 110806^2 + 24169^2 .

It is a cyclic number.

It is not a de Polignac number, because 12862110197 - 2⁶ = 12862110133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12862110197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12862110167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6431055098 + 6431055099.

It is an arithmetic number, because the mean of its divisors is an integer number (6431055099).

Almost surely, 2^12862110197 is an apocalyptic number.

It is an amenable number.

12862110197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12862110197 is an equidigital number, since it uses as much as digits as its factorization.

12862110197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 38.

The spelling of 12862110197 in words is "twelve billion, eight hundred sixty-two million, one hundred ten thousand, one hundred ninety-seven".