204215325612 has 12 divisors (see below), whose sum is σ = 476502426456. Its totient is φ = 68071775200.

The previous prime is 204215325599. The next prime is 204215325631. The reversal of 204215325612 is 216523512402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 8508971889 + ... + 8508971912.

It is an arithmetic number, because the mean of its divisors is an integer number (39708535538).

Almost surely, 2^204215325612 is an apocalyptic number.

It is an amenable number.

204215325612 is an abundant number, since it is smaller than the sum of its proper divisors (272287100844).

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

204215325612 is a wasteful number, since it uses less digits than its factorization.

204215325612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17017943808 (or 17017943806 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 204215325612 in words is "two hundred four billion, two hundred fifteen million, three hundred twenty-five thousand, six hundred twelve".