200021210001210 has 128 divisors (see below), whose sum is σ = 534846243214080. Its totient is φ = 47534506500096.

The previous prime is 200021210001209. The next prime is 200021210001229. The reversal of 200021210001210 is 12100012120002.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 146383882 + ... + 147743978.

It is an arithmetic number, because the mean of its divisors is an integer number (4178486275110).

Almost surely, 2^{200021210001210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200021210001210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267423121607040).

200021210001210 is an abundant number, since it is smaller than the sum of its proper divisors (334825033212870).

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

200021210001210 is a wasteful number, since it uses less digits than its factorization.

200021210001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373152.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200021210001210 its reverse (12100012120002), we get a palindrome (212121222121212).

The spelling of 200021210001210 in words is "two hundred trillion, twenty-one billion, two hundred ten million, one thousand, two hundred ten".