3123112312 has 32 divisors (see below), whose sum is σ = 6104062800. Its totient is φ = 1496185600.

The previous prime is 3123112309. The next prime is 3123112319. The reversal of 3123112312 is 2132113213.

It is a self number, because there is not a number n which added to its sum of digits gives 3123112312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123112319) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20989 + ... + 81772.

Almost surely, 2^3123112312 is an apocalyptic number.

It is an amenable number.

3123112312 is a deficient number, since it is larger than the sum of its proper divisors (2980950488).

3123112312 is a wasteful number, since it uses less digits than its factorization.

3123112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102927 (or 102923 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 3123112312 is about 55884.8128922340. The cubic root of 3123112312 is about 1461.7144293749.

Adding to 3123112312 its reverse (2132113213), we get a palindrome (5255225525).

Subtracting from 3123112312 its reverse (2132113213), we obtain a palindrome (990999099).

The spelling of 3123112312 in words is "three billion, one hundred twenty-three million, one hundred twelve thousand, three hundred twelve".