204312312124 has 24 divisors (see below), whose sum is σ = 358595837600. Its totient is φ = 101856498624.

The previous prime is 204312312067. The next prime is 204312312163. The reversal of 204312312124 is 421213213402.

It is a congruent number.

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, 6772057 + ... + 6802159.

Almost surely, 2^204312312124 is an apocalyptic number.

It is an amenable number.

204312312124 is a deficient number, since it is larger than the sum of its proper divisors (154283525476).

204312312124 is a wasteful number, since it uses less digits than its factorization.

204312312124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35029 (or 35027 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 204312312124 its reverse (421213213402), we get a palindrome (625525525526).

The spelling of 204312312124 in words is "two hundred four billion, three hundred twelve million, three hundred twelve thousand, one hundred twenty-four".