304355213104212 has 192 divisors, whose sum is σ = 809817806972160. Its totient is φ = 98827650367488.

The previous prime is 304355213104193. The next prime is 304355213104259. The reversal of 304355213104212 is 212401312553403.

304355213104212 is a `hidden beast` number, since 3 + 0 + 4 + 3 + 5 + 5 + 213 + 10 + 421 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 194717458 + ... + 196274294.

It is an arithmetic number, because the mean of its divisors is an integer number (4217801077980).

Almost surely, 2^{304355213104212} 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 304355213104212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404908903486080).

304355213104212 is an abundant number, since it is smaller than the sum of its proper divisors (505462593867948).

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

304355213104212 is a wasteful number, since it uses less digits than its factorization.

304355213104212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557239 (or 1557231 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 304355213104212 its reverse (212401312553403), we get a palindrome (516756525657615).

The spelling of 304355213104212 in words is "three hundred four trillion, three hundred fifty-five billion, two hundred thirteen million, one hundred four thousand, two hundred twelve".