304203133212 has 96 divisors (see below), whose sum is σ = 786281126400. Its totient is φ = 90764083200.

The previous prime is 304203133187. The next prime is 304203133249. The reversal of 304203133212 is 212331302403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7185964 + ... + 7228172.

It is an arithmetic number, because the mean of its divisors is an integer number (8190428400).

Almost surely, 2^304203133212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304203133212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393140563200).

304203133212 is an abundant number, since it is smaller than the sum of its proper divisors (482077993188).

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

304203133212 is a wasteful number, since it uses less digits than its factorization.

304203133212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43067 (or 43065 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 304203133212 its reverse (212331302403), we get a palindrome (516534435615).

The spelling of 304203133212 in words is "three hundred four billion, two hundred three million, one hundred thirty-three thousand, two hundred twelve".