12221020200 has 96 divisors (see below), whose sum is σ = 38260452960. Its totient is φ = 3226656000.

The previous prime is 12221020187. The next prime is 12221020213. The reversal of 12221020200 is 202012221.

12221020200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12221020187) and next prime (12221020213).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 40234 + ... + 161433.

It is an arithmetic number, because the mean of its divisors is an integer number (398546385).

Almost surely, 2^12221020200 is an apocalyptic number.

12221020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12221020200 is an abundant number, since it is smaller than the sum of its proper divisors (26039432760).

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

12221020200 is a wasteful number, since it uses less digits than its factorization.

12221020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201787 (or 201778 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12221020200 its reverse (202012221), we get a palindrome (12423032421).

The spelling of 12221020200 in words is "twelve billion, two hundred twenty-one million, twenty thousand, two hundred".