12012112112200 has 96 divisors (see below), whose sum is σ = 28612667734560. Its totient is φ = 4687107494400.

The previous prime is 12012112112171. The next prime is 12012112112213. The reversal of 12012112112200 is 221121121021.

12012112112200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74268619 + ... + 74430181.

It is an arithmetic number, because the mean of its divisors is an integer number (298048622235).

Almost surely, 2^{12012112112200} is an apocalyptic number.

12012112112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12012112112200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14306333867280).

12012112112200 is an abundant number, since it is smaller than the sum of its proper divisors (16600555622360).

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

12012112112200 is a wasteful number, since it uses less digits than its factorization.

12012112112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170687 (or 170678 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12012112112200 its reverse (221121121021), we get a palindrome (12233233233221).

The spelling of 12012112112200 in words is "twelve trillion, twelve billion, one hundred twelve million, one hundred twelve thousand, two hundred".