12222112011200 has 336 divisors, whose sum is σ = 38623519603200. Its totient is φ = 3699917844480.

The previous prime is 12222112011169. The next prime is 12222112011283. The reversal of 12222112011200 is 211021122221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1523951 + ... + 5173649.

It is an arithmetic number, because the mean of its divisors is an integer number (114950951200).

Almost surely, 2^{12222112011200} is an apocalyptic number.

12222112011200 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 12222112011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19311759801600).

12222112011200 is an abundant number, since it is smaller than the sum of its proper divisors (26401407592000).

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

12222112011200 is a wasteful number, since it uses less digits than its factorization.

12222112011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649764 (or 3649749 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12222112011200 its reverse (211021122221), we get a palindrome (12433133133421).

The spelling of 12222112011200 in words is "twelve trillion, two hundred twenty-two billion, one hundred twelve million, eleven thousand, two hundred".