12200322222 has 80 divisors (see below), whose sum is σ = 30182689152. Its totient is φ = 3652480080.

The previous prime is 12200322209. The next prime is 12200322223. The reversal of 12200322222 is 22222300221.

12200322222 is a `hidden beast` number, since 122 + 0 + 0 + 322 + 222 = 666.

12200322222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 12200322195 and 12200322204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200322223) 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 39 ways as a sum of consecutive naturals, for example, 106663 + ... + 189149.

Almost surely, 2^12200322222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12200322222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15091344576).

12200322222 is an abundant number, since it is smaller than the sum of its proper divisors (17982366930).

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

12200322222 is a wasteful number, since it uses less digits than its factorization.

12200322222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82595 (or 82586 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 12200322222 its reverse (22222300221), we get a palindrome (34422622443).

The spelling of 12200322222 in words is "twelve billion, two hundred million, three hundred twenty-two thousand, two hundred twenty-two".