12205672362266 has 16 divisors (see below), whose sum is σ = 18804135614280. Its totient is φ = 5937641236800.

The previous prime is 12205672362251. The next prime is 12205672362283. The reversal of 12205672362266 is 66226327650221.

It can be written as a sum of positive squares in 4 ways, for example, as 11021264589241 + 1184407773025 = 3319829^2 + 1088305^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1768385 + ... + 5247716.

Almost surely, 2^{12205672362266} is an apocalyptic number.

12205672362266 is a deficient number, since it is larger than the sum of its proper divisors (6598463252014).

12205672362266 is a wasteful number, since it uses less digits than its factorization.

12205672362266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7039649.

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 12205672362266 in words is "twelve trillion, two hundred five billion, six hundred seventy-two million, three hundred sixty-two thousand, two hundred sixty-six".