3112311212 has 12 divisors (see below), whose sum is σ = 5452266456. Its totient is φ = 1554520800.

The previous prime is 3112311179. The next prime is 3112311239. The reversal of 3112311212 is 2121132113.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404414 + ... + 412037.

It is an arithmetic number, because the mean of its divisors is an integer number (454355538).

Almost surely, 2^3112311212 is an apocalyptic number.

It is an amenable number.

3112311212 is a deficient number, since it is larger than the sum of its proper divisors (2339955244).

3112311212 is a wasteful number, since it uses less digits than its factorization.

3112311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817408 (or 817406 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 3112311212 is about 55788.0920268833. The cubic root of 3112311212 is about 1460.0273986226.

Adding to 3112311212 its reverse (2121132113), we get a palindrome (5233443325).

The spelling of 3112311212 in words is "three billion, one hundred twelve million, three hundred eleven thousand, two hundred twelve".