204323440012 has 6 divisors (see below), whose sum is σ = 357566020028. Its totient is φ = 102161720004.

The previous prime is 204323440003. The next prime is 204323440043. The reversal of 204323440012 is 210044323402.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25540429998 + ... + 25540430005.

Almost surely, 2^204323440012 is an apocalyptic number.

It is an amenable number.

204323440012 is a deficient number, since it is larger than the sum of its proper divisors (153242580016).

204323440012 is a wasteful number, since it uses less digits than its factorization.

204323440012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51080860007 (or 51080860005 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 204323440012 its reverse (210044323402), we get a palindrome (414367763414).

The spelling of 204323440012 in words is "two hundred four billion, three hundred twenty-three million, four hundred forty thousand, twelve".