12221400200 has 48 divisors (see below), whose sum is σ = 28423405860. Its totient is φ = 4887072000.

The previous prime is 12221400127. The next prime is 12221400259. The reversal of 12221400200 is 200412221.

It can be written as a sum of positive squares in 6 ways, for example, as 4084999396 + 8136400804 = 63914^2 + 90202^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 845030 + ... + 859370.

Almost surely, 2^12221400200 is an apocalyptic number.

12221400200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12221400200 is an abundant number, since it is smaller than the sum of its proper divisors (16202005660).

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

12221400200 is a wasteful number, since it uses less digits than its factorization.

12221400200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18618 (or 18609 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12221400200 its reverse (200412221), we get a palindrome (12421812421).

The spelling of 12221400200 in words is "twelve billion, two hundred twenty-one million, four hundred thousand, two hundred".