3215000012 has 24 divisors (see below), whose sum is σ = 6431212704. Its totient is φ = 1377597312.

The previous prime is 3214999993. The next prime is 3215000023. The reversal of 3215000012 is 2100005123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 253568 + ... + 265944.

It is an arithmetic number, because the mean of its divisors is an integer number (267967196).

Almost surely, 2^3215000012 is an apocalyptic number.

It is an amenable number.

3215000012 is an abundant number, since it is smaller than the sum of its proper divisors (3216212692).

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

3215000012 is a wasteful number, since it uses less digits than its factorization.

3215000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21665 (or 21663 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 3215000012 is about 56700.9701151576. The cubic root of 3215000012 is about 1475.9115326319.

Adding to 3215000012 its reverse (2100005123), we get a palindrome (5315005135).

The spelling of 3215000012 in words is "three billion, two hundred fifteen million, twelve", and thus it is an aban number.