12205642907802 has 8 divisors (see below), whose sum is σ = 24411285815616. Its totient is φ = 4068547635932.

The previous prime is 12205642907797. The next prime is 12205642907851. The reversal of 12205642907802 is 20870924650221.

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

12205642907802 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017136908978 + ... + 1017136908989.

It is an arithmetic number, because the mean of its divisors is an integer number (3051410726952).

Almost surely, 2^{12205642907802} is an apocalyptic number.

12205642907802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12205642907802 is a wasteful number, since it uses less digits than its factorization.

12205642907802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034273817972.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 12205642907802 in words is "twelve trillion, two hundred five billion, six hundred forty-two million, nine hundred seven thousand, eight hundred two".