200121220012230 has 320 divisors, whose sum is σ = 595721481113088. Its totient is φ = 47796759728640.

The previous prime is 200121220012229. The next prime is 200121220012279. The reversal of 200121220012230 is 32210022121002.

200121220012230 is a `hidden beast` number, since 20 + 0 + 1 + 212 + 200 + 1 + 2 + 230 = 666.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 589770399 + ... + 590109621.

Almost surely, 2^{200121220012230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200121220012230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297860740556544).

200121220012230 is an abundant number, since it is smaller than the sum of its proper divisors (395600261100858).

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

200121220012230 is a wasteful number, since it uses less digits than its factorization.

200121220012230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340233 (or 340224 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 200121220012230 its reverse (32210022121002), we get a palindrome (232331242133232).

The spelling of 200121220012230 in words is "two hundred trillion, one hundred twenty-one billion, two hundred twenty million, twelve thousand, two hundred thirty".