200222112121200 has 1620 divisors, whose sum is σ = 790300891823352. Its totient is φ = 46662316646400.

The previous prime is 200222112121153. The next prime is 200222112121201. The reversal of 200222112121200 is 2121211222002.

It is a happy number.

200222112121200 is a `hidden beast` number, since 20 + 0 + 22 + 211 + 212 + 1 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200222112121201) by changing a digit.

It is a polite number, since it can be written in 323 ways as a sum of consecutive naturals, for example, 110558868295 + ... + 110558870105.

Almost surely, 2^{200222112121200} is an apocalyptic number.

200222112121200 is a gapful number since it is divisible by the number (20) 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 200222112121200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395150445911676).

200222112121200 is an abundant number, since it is smaller than the sum of its proper divisors (590078779702152).

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

200222112121200 is a wasteful number, since it uses less digits than its factorization.

200222112121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012 (or 1916 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200222112121200 its reverse (2121211222002), we get a palindrome (202343323343202).

The spelling of 200222112121200 in words is "two hundred trillion, two hundred twenty-two billion, one hundred twelve million, one hundred twenty-one thousand, two hundred".