12221230200 has 96 divisors (see below), whose sum is σ = 37903042800. Its totient is φ = 3257512960.

The previous prime is 12221230187. The next prime is 12221230211. The reversal of 12221230200 is 203212221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12221230200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2152966 + ... + 2158634.

Almost surely, 2^12221230200 is an apocalyptic number.

12221230200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12221230200 is an abundant number, since it is smaller than the sum of its proper divisors (25681812600).

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

12221230200 is a wasteful number, since it uses less digits than its factorization.

12221230200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9281 (or 9272 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12221230200 its reverse (203212221), we get a palindrome (12424442421).

The spelling of 12221230200 in words is "twelve billion, two hundred twenty-one million, two hundred thirty thousand, two hundred".