303312012 has 24 divisors (see below), whose sum is σ = 708313200. Its totient is φ = 101020416.

The previous prime is 303311969. The next prime is 303312043. The reversal of 303312012 is 210213303.

303312012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 303311982 and 303312000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5664 + ... + 25272.

It is an arithmetic number, because the mean of its divisors is an integer number (29513050).

Almost surely, 2^303312012 is an apocalyptic number.

It is an amenable number.

303312012 is an abundant number, since it is smaller than the sum of its proper divisors (405001188).

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

303312012 is a wasteful number, since it uses less digits than its factorization.

303312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20905 (or 20903 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 303312012 is about 17415.8551900273. The cubic root of 303312012 is about 671.8874616675.

Adding to 303312012 its reverse (210213303), we get a palindrome (513525315).

The spelling of 303312012 in words is "three hundred three million, three hundred twelve thousand, twelve".