12205826904 has 32 divisors (see below), whose sum is σ = 30585392640. Its totient is φ = 4059165600.

The previous prime is 12205826887. The next prime is 12205826911. The reversal of 12205826904 is 40962850221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579652 + ... + 600339.

It is an arithmetic number, because the mean of its divisors is an integer number (955793520).

Almost surely, 2^12205826904 is an apocalyptic number.

It is an amenable number.

12205826904 is an abundant number, since it is smaller than the sum of its proper divisors (18379565736).

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

12205826904 is a wasteful number, since it uses less digits than its factorization.

12205826904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180431 (or 1180427 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 12205826904 in words is "twelve billion, two hundred five million, eight hundred twenty-six thousand, nine hundred four".