12205679068 has 12 divisors (see below), whose sum is σ = 23301751032. Its totient is φ = 5548035920.

The previous prime is 12205678999. The next prime is 12205679107. The reversal of 12205679068 is 86097650221.

It is a super-2 number, since 2×12205679068² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138700855 + ... + 138700942.

It is an arithmetic number, because the mean of its divisors is an integer number (1941812586).

Almost surely, 2^12205679068 is an apocalyptic number.

It is an amenable number.

12205679068 is a deficient number, since it is larger than the sum of its proper divisors (11096071964).

12205679068 is a wasteful number, since it uses less digits than its factorization.

12205679068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277401812 (or 277401810 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 12205679068 in words is "twelve billion, two hundred five million, six hundred seventy-nine thousand, sixty-eight".