304305320012 has 12 divisors (see below), whose sum is σ = 532590368016. Its totient is φ = 152136643440.

The previous prime is 304305319993. The next prime is 304305320021. The reversal of 304305320012 is 210023503403.

It is a self number, because there is not a number n which added to its sum of digits gives 304305320012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3961343 + ... + 4037430.

It is an arithmetic number, because the mean of its divisors is an integer number (44382530668).

Almost surely, 2^304305320012 is an apocalyptic number.

It is an amenable number.

304305320012 is a deficient number, since it is larger than the sum of its proper divisors (228285048004).

304305320012 is a wasteful number, since it uses less digits than its factorization.

304305320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8008288 (or 8008286 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 304305320012 its reverse (210023503403), we get a palindrome (514328823415).

The spelling of 304305320012 in words is "three hundred four billion, three hundred five million, three hundred twenty thousand, twelve".