12100200112 has 160 divisors (see below), whose sum is σ = 32246936064. Its totient is φ = 4245350400.

The previous prime is 12100200029. The next prime is 12100200193. The reversal of 12100200112 is 21100200121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 647443 + ... + 665869.

Almost surely, 2^12100200112 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 12100200112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16123468032).

12100200112 is an abundant number, since it is smaller than the sum of its proper divisors (20146735952).

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

12100200112 is a wasteful number, since it uses less digits than its factorization.

12100200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18507 (or 18501 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12100200112 its reverse (21100200121), we get a palindrome (33200400233).

Subtracting 12100200112 from its reverse (21100200121), we obtain a palindrome (9000000009).

It can be divided in two parts, 12100 and 200112, that added together give a palindrome (212212).

The spelling of 12100200112 in words is "twelve billion, one hundred million, two hundred thousand, one hundred twelve".