201200212220022 has 96 divisors (see below), whose sum is σ = 460306760472000. Its totient is φ = 63387494624256.

The previous prime is 201200212220017. The next prime is 201200212220039. The reversal of 201200212220022 is 220022212002102.

201200212220022 is a `hidden beast` number, since 201 + 200 + 21 + 2 + 220 + 0 + 22 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 201200212219977 and 201200212220004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53182354 + ... + 56839802.

It is an arithmetic number, because the mean of its divisors is an integer number (4794862088250).

Almost surely, 2^{201200212220022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201200212220022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230153380236000).

201200212220022 is an abundant number, since it is smaller than the sum of its proper divisors (259106548251978).

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

201200212220022 is a wasteful number, since it uses less digits than its factorization.

201200212220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659062 (or 3659059 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 201200212220022 its reverse (220022212002102), we get a palindrome (421222424222124).

The spelling of 201200212220022 in words is "two hundred one trillion, two hundred billion, two hundred twelve million, two hundred twenty thousand, twenty-two".