2012022112 has 48 divisors (see below), whose sum is σ = 4110402240. Its totient is φ = 968675328.

The previous prime is 2012022079. The next prime is 2012022139. The reversal of 2012022112 is 2112202102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2012022092 and 2012022101.

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, 106089 + ... + 123607.

It is an arithmetic number, because the mean of its divisors is an integer number (85633380).

Almost surely, 2^2012022112 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 2012022112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2055201120).

2012022112 is an abundant number, since it is smaller than the sum of its proper divisors (2098380128).

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

2012022112 is a wasteful number, since it uses less digits than its factorization.

2012022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17663 (or 17655 counting only the distinct ones).

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

The square root of 2012022112 is about 44855.5694646718. The cubic root of 2012022112 is about 1262.4404937741.

Adding to 2012022112 its reverse (2112202102), we get a palindrome (4124224214).

The spelling of 2012022112 in words is "two billion, twelve million, twenty-two thousand, one hundred twelve".