200001200021200 has 240 divisors, whose sum is σ = 486149506565184. Its totient is φ = 79063428096000.

The previous prime is 200001200021179. The next prime is 200001200021201. The reversal of 200001200021200 is 2120002100002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001200021201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85215678427 + ... + 85215680773.

Almost surely, 2^{200001200021200} is an apocalyptic number.

200001200021200 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 200001200021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243074753282592).

200001200021200 is an abundant number, since it is smaller than the sum of its proper divisors (286148306543984).

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

200001200021200 is a wasteful number, since it uses less digits than its factorization.

200001200021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5430 (or 5419 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 200001200021200 its reverse (2120002100002), we get a palindrome (202121202121202).

The spelling of 200001200021200 in words is "two hundred trillion, one billion, two hundred million, twenty-one thousand, two hundred".