12209041775867 has 2 divisors, whose sum is σ = 12209041775868. Its totient is φ = 12209041775866.

The previous prime is 12209041775857. The next prime is 12209041775891. The reversal of 12209041775867 is 76857714090221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12209041775867 - 2⁸ = 12209041775611 is a prime.

It is not a weakly prime, because it can be changed into another prime (12209041775837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6104520887933 + 6104520887934.

It is an arithmetic number, because the mean of its divisors is an integer number (6104520887934).

Almost surely, 2^{12209041775867} is an apocalyptic number.

12209041775867 is a deficient number, since it is larger than the sum of its proper divisors (1).

12209041775867 is an equidigital number, since it uses as much as digits as its factorization.

12209041775867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11854080, while the sum is 59.

The spelling of 12209041775867 in words is "twelve trillion, two hundred nine billion, forty-one million, seven hundred seventy-five thousand, eight hundred sixty-seven".