204312130412 has 24 divisors (see below), whose sum is σ = 385068231072. Its totient is φ = 94293388800.

The previous prime is 204312130397. The next prime is 204312130447. The reversal of 204312130412 is 214031213402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1161212 + ... + 1325532.

It is an arithmetic number, because the mean of its divisors is an integer number (16044509628).

Almost surely, 2^204312130412 is an apocalyptic number.

It is an amenable number.

204312130412 is a deficient number, since it is larger than the sum of its proper divisors (180756100660).

204312130412 is a wasteful number, since it uses less digits than its factorization.

204312130412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188249 (or 188247 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 204312130412 its reverse (214031213402), we get a palindrome (418343343814).

The spelling of 204312130412 in words is "two hundred four billion, three hundred twelve million, one hundred thirty thousand, four hundred twelve".