3123133012 has 24 divisors (see below), whose sum is σ = 5552609832. Its totient is φ = 1536768000.

The previous prime is 3123133007. The next prime is 3123133021. The reversal of 3123133012 is 2103313213.

3123133012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 983700496 + 2139432516 = 31364^2 + 46254^2 .

It is a congruent number.

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, 123012 + ... + 146212.

It is an arithmetic number, because the mean of its divisors is an integer number (231358743).

Almost surely, 2^3123133012 is an apocalyptic number.

It is an amenable number.

3123133012 is a deficient number, since it is larger than the sum of its proper divisors (2429476820).

3123133012 is a wasteful number, since it uses less digits than its factorization.

3123133012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23739 (or 23737 counting only the distinct ones).

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

The square root of 3123133012 is about 55884.9980943008. The cubic root of 3123133012 is about 1461.7176587840.

Adding to 3123133012 its reverse (2103313213), we get a palindrome (5226446225).

The spelling of 3123133012 in words is "three billion, one hundred twenty-three million, one hundred thirty-three thousand, twelve".