3123230012 has 72 divisors (see below), whose sum is σ = 6495209280. Its totient is φ = 1309875840.

The previous prime is 3123229999. The next prime is 3123230113. The reversal of 3123230012 is 2100323213.

3123230012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 2856938 + ... + 2858030.

It is an arithmetic number, because the mean of its divisors is an integer number (90211240).

Almost surely, 2^3123230012 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 3123230012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3247604640).

3123230012 is an abundant number, since it is smaller than the sum of its proper divisors (3371979268).

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

3123230012 is a wasteful number, since it uses less digits than its factorization.

3123230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411 (or 1402 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3123230012 is about 55885.8659412199. The cubic root of 3123230012 is about 1461.7327915737.

Adding to 3123230012 its reverse (2100323213), we get a palindrome (5223553225).

The spelling of 3123230012 in words is "three billion, one hundred twenty-three million, two hundred thirty thousand, twelve".