12211002200 has 24 divisors (see below), whose sum is σ = 28390580580. Its totient is φ = 4884400800.

The previous prime is 12211002169. The next prime is 12211002263. The reversal of 12211002200 is 220011221.

It is a happy number.

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, 30527306 + ... + 30527705.

Almost surely, 2^12211002200 is an apocalyptic number.

12211002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211002200 is an abundant number, since it is smaller than the sum of its proper divisors (16179578380).

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

12211002200 is a wasteful number, since it uses less digits than its factorization.

12211002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61055027 (or 61055018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12211002200 its reverse (220011221), we get a palindrome (12431013421).

The spelling of 12211002200 in words is "twelve billion, two hundred eleven million, two thousand, two hundred".