304123512222 has 80 divisors (see below), whose sum is σ = 736900338240. Its totient is φ = 93381230592.

The previous prime is 304123512197. The next prime is 304123512271. The reversal of 304123512222 is 222215321403.

304123512222 is a `hidden beast` number, since 3 + 0 + 4 + 123 + 512 + 2 + 22 = 666.

304123512222 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×304123512222² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1045347 + ... + 1304222.

It is an arithmetic number, because the mean of its divisors is an integer number (9211254228).

Almost surely, 2^304123512222 is an apocalyptic number.

304123512222 is an abundant number, since it is smaller than the sum of its proper divisors (432776826018).

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

304123512222 is a wasteful number, since it uses less digits than its factorization.

304123512222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349647 (or 2349638 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 304123512222 its reverse (222215321403), we get a palindrome (526338833625).

The spelling of 304123512222 in words is "three hundred four billion, one hundred twenty-three million, five hundred twelve thousand, two hundred twenty-two".