304143212 has 6 divisors (see below), whose sum is σ = 532250628. Its totient is φ = 152071604.

The previous prime is 304143199. The next prime is 304143221. The reversal of 304143212 is 212341403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38017898 + ... + 38017905.

It is an arithmetic number, because the mean of its divisors is an integer number (88708438).

Almost surely, 2^304143212 is an apocalyptic number.

It is an amenable number.

304143212 is a deficient number, since it is larger than the sum of its proper divisors (228107416).

304143212 is a wasteful number, since it uses less digits than its factorization.

304143212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76035807 (or 76035805 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 304143212 is about 17439.7021763561. The cubic root of 304143212 is about 672.5006514553.

Adding to 304143212 its reverse (212341403), we get a palindrome (516484615).

The spelling of 304143212 in words is "three hundred four million, one hundred forty-three thousand, two hundred twelve".