3123313030012 has 48 divisors (see below), whose sum is σ = 6417379978240. Its totient is φ = 1301994326592.

The previous prime is 3123313030007. The next prime is 3123313030051. The reversal of 3123313030012 is 2100303133213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3012439 + ... + 3914257.

Almost surely, 2^{3123313030012} is an apocalyptic number.

It is an amenable number.

3123313030012 is an abundant number, since it is smaller than the sum of its proper divisors (3294066948228).

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

3123313030012 is a wasteful number, since it uses less digits than its factorization.

3123313030012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905210 (or 905208 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 3123313030012 its reverse (2100303133213), we get a palindrome (5223616163225).

The spelling of 3123313030012 in words is "three trillion, one hundred twenty-three billion, three hundred thirteen million, thirty thousand, twelve".