12000222111100 has 180 divisors, whose sum is σ = 27771228307144. Its totient is φ = 4500880266240.

The previous prime is 12000222111089. The next prime is 12000222111133. The reversal of 12000222111100 is 111122200021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2363641762 + ... + 2363646838.

Almost surely, 2^{12000222111100} is an apocalyptic number.

12000222111100 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 12000222111100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13885614153572).

12000222111100 is an abundant number, since it is smaller than the sum of its proper divisors (15771006196044).

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

12000222111100 is an equidigital number, since it uses as much as digits as its factorization.

12000222111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5442 (or 5384 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12000222111100 its reverse (111122200021), we get a palindrome (12111344311121).

The spelling of 12000222111100 in words is "twelve trillion, two hundred twenty-two million, one hundred eleven thousand, one hundred".