200201212101220 has 192 divisors, whose sum is σ = 482616158846976. Its totient is φ = 69049081221120.

The previous prime is 200201212101217. The next prime is 200201212101221. The reversal of 200201212101220 is 22101212102002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 200201212101194 and 200201212101203.

It is not an unprimeable number, because it can be changed into a prime (200201212101221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1186834804 + ... + 1187003476.

It is an arithmetic number, because the mean of its divisors is an integer number (2513625827328).

Almost surely, 2^{200201212101220} is an apocalyptic number.

200201212101220 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 200201212101220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241308079423488).

200201212101220 is an abundant number, since it is smaller than the sum of its proper divisors (282414946745756).

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

200201212101220 is a wasteful number, since it uses less digits than its factorization.

200201212101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170690 (or 170688 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200201212101220 its reverse (22101212102002), we get a palindrome (222302424203222).

The spelling of 200201212101220 in words is "two hundred trillion, two hundred one billion, two hundred twelve million, one hundred one thousand, two hundred twenty".