12200210221220 has 96 divisors (see below), whose sum is σ = 30300950534400. Its totient is φ = 4037253825024.

The previous prime is 12200210221201. The next prime is 12200210221229. The reversal of 12200210221220 is 2212201200221.

It is a happy number.

It is a super-2 number, since 2×12200210221220² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12200210221229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10912154 + ... + 11978126.

It is an arithmetic number, because the mean of its divisors is an integer number (315634901400).

Almost surely, 2^{12200210221220} is an apocalyptic number.

12200210221220 is a gapful number since it is divisible by the number (10) 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 12200210221220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15150475267200).

12200210221220 is an abundant number, since it is smaller than the sum of its proper divisors (18100740313180).

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

12200210221220 is a wasteful number, since it uses less digits than its factorization.

12200210221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068837 (or 1068835 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12200210221220 its reverse (2212201200221), we get a palindrome (14412411421441).

The spelling of 12200210221220 in words is "twelve trillion, two hundred billion, two hundred ten million, two hundred twenty-one thousand, two hundred twenty".