304155343423212 has 24 divisors (see below), whose sum is σ = 709696084440000. Its totient is φ = 101385074028816.

The previous prime is 304155343423199. The next prime is 304155343423279. The reversal of 304155343423212 is 212324343551403.

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 7 ways as a sum of consecutive naturals, for example, 52360539 + ... + 57878637.

It is an arithmetic number, because the mean of its divisors is an integer number (29570670185000).

Almost surely, 2^{304155343423212} is an apocalyptic number.

It is an amenable number.

304155343423212 is an abundant number, since it is smaller than the sum of its proper divisors (405540741016788).

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

304155343423212 is a wasteful number, since it uses less digits than its factorization.

304155343423212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111405 (or 10111403 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 304155343423212 its reverse (212324343551403), we get a palindrome (516479686974615).

The spelling of 304155343423212 in words is "three hundred four trillion, one hundred fifty-five billion, three hundred forty-three million, four hundred twenty-three thousand, two hundred twelve".