3120203012 has 12 divisors (see below), whose sum is σ = 5486235216. Its totient is φ = 1552707240.

The previous prime is 3120202997. The next prime is 3120203017. The reversal of 3120203012 is 2103020213.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3120203017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1847618 + ... + 1849305.

It is an arithmetic number, because the mean of its divisors is an integer number (457186268).

Almost surely, 2^3120203012 is an apocalyptic number.

It is an amenable number.

3120203012 is a deficient number, since it is larger than the sum of its proper divisors (2366032204).

3120203012 is a wasteful number, since it uses less digits than its factorization.

3120203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697138 (or 3697136 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3120203012 is about 55858.7773944257. Note that the first 3 decimals coincide. The cubic root of 3120203012 is about 1461.2604071769.

Adding to 3120203012 its reverse (2103020213), we get a palindrome (5223223225).

The spelling of 3120203012 in words is "three billion, one hundred twenty million, two hundred three thousand, twelve".