3123102012 has 24 divisors (see below), whose sum is σ = 7604075136. Its totient is φ = 995771568.

The previous prime is 3123102007. The next prime is 3123102041. The reversal of 3123102012 is 2102013213.

It is a junction number, because it is equal to n+sod(n) for n = 3123101982 and 3123102000.

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, 5657518 + ... + 5658069.

It is an arithmetic number, because the mean of its divisors is an integer number (316836464).

Almost surely, 2^3123102012 is an apocalyptic number.

It is an amenable number.

3123102012 is an abundant number, since it is smaller than the sum of its proper divisors (4480973124).

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

3123102012 is a wasteful number, since it uses less digits than its factorization.

3123102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11315617 (or 11315615 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3123102012 is about 55884.7207383199. The cubic root of 3123102012 is about 1461.7128224655.

Adding to 3123102012 its reverse (2102013213), we get a palindrome (5225115225).

The spelling of 3123102012 in words is "three billion, one hundred twenty-three million, one hundred two thousand, twelve".