12190912693 has 2 divisors, whose sum is σ = 12190912694. Its totient is φ = 12190912692.

The previous prime is 12190912681. The next prime is 12190912703. The reversal of 12190912693 is 39621909121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8771820964 + 3419091729 = 93658^2 + 58473^2 .

It is a cyclic number.

It is not a de Polignac number, because 12190912693 - 2⁵ = 12190912661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12190912673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6095456346 + 6095456347.

It is an arithmetic number, because the mean of its divisors is an integer number (6095456347).

Almost surely, 2^12190912693 is an apocalyptic number.

It is an amenable number.

12190912693 is a deficient number, since it is larger than the sum of its proper divisors (1).

12190912693 is an equidigital number, since it uses as much as digits as its factorization.

12190912693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 43.

The spelling of 12190912693 in words is "twelve billion, one hundred ninety million, nine hundred twelve thousand, six hundred ninety-three".