304242120312 has 32 divisors (see below), whose sum is σ = 819113401680. Its totient is φ = 93612960000.

The previous prime is 304242120311. The next prime is 304242120353. The reversal of 304242120312 is 213021242403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304242120311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487567189 + ... + 487567812.

Almost surely, 2^304242120312 is an apocalyptic number.

It is an amenable number.

304242120312 is an abundant number, since it is smaller than the sum of its proper divisors (514871281368).

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

304242120312 is a wasteful number, since it uses less digits than its factorization.

304242120312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975135023 (or 975135019 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 304242120312 its reverse (213021242403), we get a palindrome (517263362715).

The spelling of 304242120312 in words is "three hundred four billion, two hundred forty-two million, one hundred twenty thousand, three hundred twelve".