4331312012 has 12 divisors (see below), whose sum is σ = 7708267560. Its totient is φ = 2128949856.

The previous prime is 4331311967. The next prime is 4331312039. The reversal of 4331312012 is 2102131334.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9176273 + ... + 9176744.

It is an arithmetic number, because the mean of its divisors is an integer number (642355630).

Almost surely, 2^4331312012 is an apocalyptic number.

It is an amenable number.

4331312012 is a deficient number, since it is larger than the sum of its proper divisors (3376955548).

4331312012 is a wasteful number, since it uses less digits than its factorization.

4331312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18353080 (or 18353078 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 4331312012 is about 65812.7040319724. The cubic root of 4331312012 is about 1630.0708830379.

Adding to 4331312012 its reverse (2102131334), we get a palindrome (6433443346).

The spelling of 4331312012 in words is "four billion, three hundred thirty-one million, three hundred twelve thousand, twelve".