12209041775879 has 16 divisors (see below), whose sum is σ = 13174892287200. Its totient is φ = 11247024306816.

The previous prime is 12209041775867. The next prime is 12209041775891. The reversal of 12209041775879 is 97857714090221.

It is an interprime number because it is at equal distance from previous prime (12209041775867) and next prime (12209041775891).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12209041775879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12209041775809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14513237 + ... + 15331409.

It is an arithmetic number, because the mean of its divisors is an integer number (823430767950).

Almost surely, 2^{12209041775879} is an apocalyptic number.

12209041775879 is a deficient number, since it is larger than the sum of its proper divisors (965850511321).

12209041775879 is a wasteful number, since it uses less digits than its factorization.

12209041775879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820514.

The product of its (nonzero) digits is 17781120, while the sum is 62.

The spelling of 12209041775879 in words is "twelve trillion, two hundred nine billion, forty-one million, seven hundred seventy-five thousand, eight hundred seventy-nine".