12211112200 has 48 divisors (see below), whose sum is σ = 32446673280. Its totient is φ = 4186666560.

The previous prime is 12211112197. The next prime is 12211112203. The reversal of 12211112200 is 221111221.

12211112200 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 (12211112197) and next prime (12211112203).

It is a super-2 number, since 2×12211112200² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211112203) 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, 4359712 + ... + 4362511.

It is an arithmetic number, because the mean of its divisors is an integer number (675972360).

Almost surely, 2^12211112200 is an apocalyptic number.

12211112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211112200 is an abundant number, since it is smaller than the sum of its proper divisors (20235561080).

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

12211112200 is a wasteful number, since it uses less digits than its factorization.

12211112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8722246 (or 8722237 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12211112200 its reverse (221111221), we get a palindrome (12432223421).

The spelling of 12211112200 in words is "twelve billion, two hundred eleven million, one hundred twelve thousand, two hundred".