12222101200 has 30 divisors (see below), whose sum is σ = 29363599094. Its totient is φ = 4888840320.

The previous prime is 12222101197. The next prime is 12222101219. The reversal of 12222101200 is 210122221.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3719048256 + 8503052944 = 60984^2 + 92212^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15277227 + ... + 15278026.

Almost surely, 2^12222101200 is an apocalyptic number.

12222101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222101200 is an abundant number, since it is smaller than the sum of its proper divisors (17141497894).

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

12222101200 is a wasteful number, since it uses less digits than its factorization.

12222101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30555271 (or 30555260 counting only the distinct ones).

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

Adding to 12222101200 its reverse (210122221), we get a palindrome (12432223421).

The spelling of 12222101200 in words is "twelve billion, two hundred twenty-two million, one hundred one thousand, two hundred".