3120243312 has 20 divisors (see below), whose sum is σ = 8060628680. Its totient is φ = 1040081088.

The previous prime is 3120243241. The next prime is 3120243331. The reversal of 3120243312 is 2133420213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32502487 + ... + 32502582.

It is an arithmetic number, because the mean of its divisors is an integer number (403031434).

Almost surely, 2^3120243312 is an apocalyptic number.

It is an amenable number.

3120243312 is an abundant number, since it is smaller than the sum of its proper divisors (4940385368).

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

3120243312 is a wasteful number, since it uses less digits than its factorization.

3120243312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65005080 (or 65005074 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3120243312 is about 55859.1381243929. The cubic root of 3120243312 is about 1461.2666982783.

Adding to 3120243312 its reverse (2133420213), we get a palindrome (5253663525).

The spelling of 3120243312 in words is "three billion, one hundred twenty million, two hundred forty-three thousand, three hundred twelve".