3331312012 has 72 divisors (see below), whose sum is σ = 6945507296. Its totient is φ = 1369460736.

The previous prime is 3331311967. The next prime is 3331312067. The reversal of 3331312012 is 2102131333.

3331312012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3331312012² = 22195279442590976288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4544398 + ... + 4545130.

Almost surely, 2^3331312012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3331312012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3472753648).

3331312012 is an abundant number, since it is smaller than the sum of its proper divisors (3614195284).

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

3331312012 is a wasteful number, since it uses less digits than its factorization.

3331312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3331312012 is about 57717.5191081529. The cubic root of 3331312012 is about 1493.4995758317.

Adding to 3331312012 its reverse (2102131333), we get a palindrome (5433443345).

The spelling of 3331312012 in words is "three billion, three hundred thirty-one million, three hundred twelve thousand, twelve".