304358521812 has 12 divisors (see below), whose sum is σ = 710169884256. Its totient is φ = 101452840600.

The previous prime is 304358521793. The next prime is 304358521813. The reversal of 304358521812 is 218125853403.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304358521813) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12681605064 + ... + 12681605087.

It is an arithmetic number, because the mean of its divisors is an integer number (59180823688).

Almost surely, 2^304358521812 is an apocalyptic number.

It is an amenable number.

304358521812 is an abundant number, since it is smaller than the sum of its proper divisors (405811362444).

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

304358521812 is a wasteful number, since it uses less digits than its factorization.

304358521812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25363210158 (or 25363210156 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 304358521812 in words is "three hundred four billion, three hundred fifty-eight million, five hundred twenty-one thousand, eight hundred twelve".