12113857193 has 2 divisors, whose sum is σ = 12113857194. Its totient is φ = 12113857192.

The previous prime is 12113857163. The next prime is 12113857201. The reversal of 12113857193 is 39175831121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8997091609 + 3116765584 = 94853^2 + 55828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12113857193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12113857193.

It is not a weakly prime, because it can be changed into another prime (12113857103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056928596 + 6056928597.

It is an arithmetic number, because the mean of its divisors is an integer number (6056928597).

Almost surely, 2^12113857193 is an apocalyptic number.

It is an amenable number.

12113857193 is a deficient number, since it is larger than the sum of its proper divisors (1).

12113857193 is an equidigital number, since it uses as much as digits as its factorization.

12113857193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 41.

The spelling of 12113857193 in words is "twelve billion, one hundred thirteen million, eight hundred fifty-seven thousand, one hundred ninety-three".