12200212222200 has 144 divisors (see below), whose sum is σ = 40979754527400. Its totient is φ = 3252804307200.

The previous prime is 12200212222199. The next prime is 12200212222243. The reversal of 12200212222200 is 222221200221.

12200212222200 is a `hidden beast` number, since 1 + 2 + 200 + 21 + 222 + 220 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 35 ways as a sum of consecutive naturals, for example, 9438571 + ... + 10653029.

Almost surely, 2^{12200212222200} is an apocalyptic number.

12200212222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12200212222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20489877263700).

12200212222200 is an abundant number, since it is smaller than the sum of its proper divisors (28779542305200).

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

12200212222200 is a wasteful number, since it uses less digits than its factorization.

12200212222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220062 (or 1220050 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12200212222200 its reverse (222221200221), we get a palindrome (12422433422421).

The spelling of 12200212222200 in words is "twelve trillion, two hundred billion, two hundred twelve million, two hundred twenty-two thousand, two hundred".