12205977682 has 8 divisors (see below), whose sum is σ = 19272596400. Its totient is φ = 5781778884.

The previous prime is 12205977677. The next prime is 12205977697. The reversal of 12205977682 is 28677950221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160604932 + ... + 160605007.

It is an arithmetic number, because the mean of its divisors is an integer number (2409074550).

Almost surely, 2^12205977682 is an apocalyptic number.

12205977682 is a deficient number, since it is larger than the sum of its proper divisors (7066618718).

12205977682 is a wasteful number, since it uses less digits than its factorization.

12205977682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321209960.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 12205977682 in words is "twelve billion, two hundred five million, nine hundred seventy-seven thousand, six hundred eighty-two".