304323331212 has 72 divisors (see below), whose sum is σ = 795171034112. Its totient is φ = 98033522400.

The previous prime is 304323331199. The next prime is 304323331223. The reversal of 304323331212 is 212133323403.

304323331212 is a `hidden beast` number, since 3 + 0 + 4 + 323 + 331 + 2 + 1 + 2 = 666.

It is a super-2 number, since 2×304323331212² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 623787 + ... + 998877.

Almost surely, 2^304323331212 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 304323331212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397585517056).

304323331212 is an abundant number, since it is smaller than the sum of its proper divisors (490847702900).

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

304323331212 is a wasteful number, since it uses less digits than its factorization.

304323331212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375859 (or 375854 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 304323331212 its reverse (212133323403), we get a palindrome (516456654615).

The spelling of 304323331212 in words is "three hundred four billion, three hundred twenty-three million, three hundred thirty-one thousand, two hundred twelve".