204441433212 has 12 divisors (see below), whose sum is σ = 477030010856. Its totient is φ = 68147144400.

The previous prime is 204441433201. The next prime is 204441433247. The reversal of 204441433212 is 212334144402.

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

It is a super-2 number, since 2×204441433212² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204441433212.

It is a congruent number.

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, 8518393039 + ... + 8518393062.

Almost surely, 2^204441433212 is an apocalyptic number.

It is an amenable number.

204441433212 is an abundant number, since it is smaller than the sum of its proper divisors (272588577644).

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

204441433212 is a wasteful number, since it uses less digits than its factorization.

204441433212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17036786108 (or 17036786106 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 204441433212 its reverse (212334144402), we get a palindrome (416775577614).

The spelling of 204441433212 in words is "two hundred four billion, four hundred forty-one million, four hundred thirty-three thousand, two hundred twelve".