12205283556 has 24 divisors (see below), whose sum is σ = 28643618304. Its totient is φ = 4044910240.

The previous prime is 12205283551. The next prime is 12205283591. The reversal of 12205283556 is 65538250221.

It is not an unprimeable number, because it can be changed into a prime (12205283551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2937540 + ... + 2941691.

It is an arithmetic number, because the mean of its divisors is an integer number (1193484096).

Almost surely, 2^12205283556 is an apocalyptic number.

It is an amenable number.

12205283556 is an abundant number, since it is smaller than the sum of its proper divisors (16438334748).

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

12205283556 is a wasteful number, since it uses less digits than its factorization.

12205283556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5879411 (or 5879409 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 12205283556 in words is "twelve billion, two hundred five million, two hundred eighty-three thousand, five hundred fifty-six".