3112220112 has 80 divisors (see below), whose sum is σ = 8106147840. Its totient is φ = 1028900736.

The previous prime is 3112220099. The next prime is 3112220171. The reversal of 3112220112 is 2110222113.

It is a super-3 number, since 3×3112220112³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3112220091 and 3112220100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5126913 + ... + 5127519.

It is an arithmetic number, because the mean of its divisors is an integer number (101326848).

Almost surely, 2^3112220112 is an apocalyptic number.

It is an amenable number.

3112220112 is an abundant number, since it is smaller than the sum of its proper divisors (4993927728).

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

3112220112 is a wasteful number, since it uses less digits than its factorization.

3112220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320 (or 1314 counting only the distinct ones).

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

The square root of 3112220112 is about 55787.2755384236. The cubic root of 3112220112 is about 1460.0131530685.

Adding to 3112220112 its reverse (2110222113), we get a palindrome (5222442225).

The spelling of 3112220112 in words is "three billion, one hundred twelve million, two hundred twenty thousand, one hundred twelve".