204422431213 has 64 divisors (see below), whose sum is σ = 289248583680. Its totient is φ = 139137523200.

The previous prime is 204422431211. The next prime is 204422431223. The reversal of 204422431213 is 312134224402.

It is not a de Polignac number, because 204422431213 - 2¹ = 204422431211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204422431211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17815068 + ... + 17826538.

It is an arithmetic number, because the mean of its divisors is an integer number (4519509120).

Almost surely, 2^204422431213 is an apocalyptic number.

It is an amenable number.

204422431213 is a deficient number, since it is larger than the sum of its proper divisors (84826152467).

204422431213 is a wasteful number, since it uses less digits than its factorization.

204422431213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12458.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 204422431213 its reverse (312134224402), we get a palindrome (516556655615).

The spelling of 204422431213 in words is "two hundred four billion, four hundred twenty-two million, four hundred thirty-one thousand, two hundred thirteen".