2012220112 has 40 divisors (see below), whose sum is σ = 4522149056. Its totient is φ = 849505536.

The previous prime is 2012220097. The next prime is 2012220121. The reversal of 2012220112 is 2110222102.

It is a happy number.

It is a super-3 number, since 3×2012220112³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012220092 and 2012220101.

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, 126573 + ... + 141580.

Almost surely, 2^2012220112 is an apocalyptic number.

It is an amenable number.

2012220112 is an abundant number, since it is smaller than the sum of its proper divisors (2509928944).

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

2012220112 is a wasteful number, since it uses less digits than its factorization.

2012220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268235 (or 268229 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2012220112 is about 44857.7764941599. The cubic root of 2012220112 is about 1262.4819040245.

Adding to 2012220112 its reverse (2110222102), we get a palindrome (4122442214).

The spelling of 2012220112 in words is "two billion, twelve million, two hundred twenty thousand, one hundred twelve".