2121200200200 has 96 divisors (see below), whose sum is σ = 6921811216800. Its totient is φ = 535882152960.

The previous prime is 2121200200199. The next prime is 2121200200213. The reversal of 2121200200200 is 20020021212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93023697 + ... + 93046496.

It is an arithmetic number, because the mean of its divisors is an integer number (72102200175).

Almost surely, 2^{2121200200200} is an apocalyptic number.

2121200200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121200200200 is an abundant number, since it is smaller than the sum of its proper divisors (4800611016600).

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

2121200200200 is a wasteful number, since it uses less digits than its factorization.

2121200200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186070231 (or 186070222 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2121200200200 its reverse (20020021212), we get a palindrome (2141220221412).

The spelling of 2121200200200 in words is "two trillion, one hundred twenty-one billion, two hundred million, two hundred thousand, two hundred".