12221200212 has 48 divisors (see below), whose sum is σ = 30734760000. Its totient is φ = 3757298688.

The previous prime is 12221200207. The next prime is 12221200219. The reversal of 12221200212 is 21200212221.

12221200212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12221200191 and 12221200200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221200219) 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 15 ways as a sum of consecutive naturals, for example, 163483 + ... + 226205.

It is an arithmetic number, because the mean of its divisors is an integer number (640307500).

Almost surely, 2^12221200212 is an apocalyptic number.

12221200212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12221200212 is an abundant number, since it is smaller than the sum of its proper divisors (18513559788).

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

12221200212 is a wasteful number, since it uses less digits than its factorization.

12221200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63992 (or 63990 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12221200212 its reverse (21200212221), we get a palindrome (33421412433).

The spelling of 12221200212 in words is "twelve billion, two hundred twenty-one million, two hundred thousand, two hundred twelve".