3112212012 has 192 divisors, whose sum is σ = 9160833024. Its totient is φ = 800593920.

The previous prime is 3112212011. The next prime is 3112212029. The reversal of 3112212012 is 2102122113.

It is a super-3 number, since 3×3112212012³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3112211982 and 3112212000.

It is not an unprimeable number, because it can be changed into a prime (3112212011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10621738 + ... + 10622030.

It is an arithmetic number, because the mean of its divisors is an integer number (47712672).

Almost surely, 2^3112212012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3112212012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4580416512).

3112212012 is an abundant number, since it is smaller than the sum of its proper divisors (6048621012).

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

3112212012 is a wasteful number, since it uses less digits than its factorization.

3112212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 3112212012 is about 55787.2029411764. The cubic root of 3112212012 is about 1460.0118864360.

Adding to 3112212012 its reverse (2102122113), we get a palindrome (5214334125).

It can be divided in two parts, 31122 and 12012, that added together give a palindrome (43134).

The spelling of 3112212012 in words is "three billion, one hundred twelve million, two hundred twelve thousand, twelve".