2012002112 has 56 divisors (see below), whose sum is σ = 4282135200. Its totient is φ = 935041536.

The previous prime is 2012002081. The next prime is 2012002117. The reversal of 2012002112 is 2112002102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2012002093 and 2012002102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012002117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48839 + ... + 80057.

It is an arithmetic number, because the mean of its divisors is an integer number (76466700).

Almost surely, 2^2012002112 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 2012002112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2141067600).

2012002112 is an abundant number, since it is smaller than the sum of its proper divisors (2270133088).

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

2012002112 is a wasteful number, since it uses less digits than its factorization.

2012002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31303 (or 31293 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2012002112 is about 44855.3465263618. The cubic root of 2012002112 is about 1262.4363107694.

Adding to 2012002112 its reverse (2112002102), we get a palindrome (4124004214).

The spelling of 2012002112 in words is "two billion, twelve million, two thousand, one hundred twelve".