204523333212 has 48 divisors (see below), whose sum is σ = 520648918272. Its totient is φ = 61971521280.

The previous prime is 204523333211. The next prime is 204523333237. The reversal of 204523333212 is 212333325402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 204523333212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204523333211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1673748 + ... + 1791780.

It is an arithmetic number, because the mean of its divisors is an integer number (10846852464).

Almost surely, 2^204523333212 is an apocalyptic number.

204523333212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

204523333212 is an abundant number, since it is smaller than the sum of its proper divisors (316125585060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204523333212 is a wasteful number, since it uses less digits than its factorization.

204523333212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131178 (or 131176 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 204523333212 its reverse (212333325402), we get a palindrome (416856658614).

It can be divided in two parts, 204523 and 333212, that added together give a palindrome (537735).

The spelling of 204523333212 in words is "two hundred four billion, five hundred twenty-three million, three hundred thirty-three thousand, two hundred twelve".