12221200210 has 24 divisors (see below), whose sum is σ = 23368293540. Its totient is φ = 4600921344.

The previous prime is 12221200207. The next prime is 12221200219. The reversal of 12221200210 is 1200212221.

It is a happy number.

12221200210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 10837434609 + 1383765601 = 104103^2 + 37199^2 .

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 11 ways as a sum of consecutive naturals, for example, 2111505 + ... + 2117284.

Almost surely, 2^12221200210 is an apocalyptic number.

12221200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221200210 is a deficient number, since it is larger than the sum of its proper divisors (11147093330).

12221200210 is a wasteful number, since it uses less digits than its factorization.

12221200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228830 (or 4228813 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12221200210 its reverse (1200212221), we get a palindrome (13421412431).

The spelling of 12221200210 in words is "twelve billion, two hundred twenty-one million, two hundred thousand, two hundred ten".