210120002112 has 112 divisors (see below), whose sum is σ = 580646560320. Its totient is φ = 66991859712.

The previous prime is 210120002087. The next prime is 210120002117. The reversal of 210120002112 is 211200021012.

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 (210120002117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168478 + ... + 669794.

Almost surely, 2^210120002112 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 210120002112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290323280160).

210120002112 is an abundant number, since it is smaller than the sum of its proper divisors (370526558208).

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

210120002112 is a wasteful number, since it uses less digits than its factorization.

210120002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501428 (or 501418 counting only the distinct ones).

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

Adding to 210120002112 its reverse (211200021012), we get a palindrome (421320023124).

The spelling of 210120002112 in words is "two hundred ten billion, one hundred twenty million, two thousand, one hundred twelve".