2120210112 has 112 divisors (see below), whose sum is σ = 5799848192. Its totient is φ = 683043840.

The previous prime is 2120210101. The next prime is 2120210117. The reversal of 2120210112 is 2110120212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2120210117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1157037 + ... + 1158867.

Almost surely, 2^2120210112 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 2120210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2899924096).

2120210112 is an abundant number, since it is smaller than the sum of its proper divisors (3679638080).

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

2120210112 is a wasteful number, since it uses less digits than its factorization.

2120210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2120210112 is about 46045.7393468712. The cubic root of 2120210112 is about 1284.6740960160.

Adding to 2120210112 its reverse (2110120212), we get a palindrome (4230330324).

The spelling of 2120210112 in words is "two billion, one hundred twenty million, two hundred ten thousand, one hundred twelve".