204432421412 has 24 divisors (see below), whose sum is σ = 360512800704. Its totient is φ = 101430852512.

The previous prime is 204432421321. The next prime is 204432421499. The reversal of 204432421412 is 214124234402.

It is a happy number.

204432421412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204432421412² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131438 + ... + 652794.

It is an arithmetic number, because the mean of its divisors is an integer number (15021366696).

Almost surely, 2^204432421412 is an apocalyptic number.

It is an amenable number.

204432421412 is a deficient number, since it is larger than the sum of its proper divisors (156080379292).

204432421412 is a wasteful number, since it uses less digits than its factorization.

204432421412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522115 (or 522113 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 204432421412 its reverse (214124234402), we get a palindrome (418556655814).

The spelling of 204432421412 in words is "two hundred four billion, four hundred thirty-two million, four hundred twenty-one thousand, four hundred twelve".