12211122200200 has 96 divisors (see below), whose sum is σ = 35396395824960. Its totient is φ = 3806064057600.

The previous prime is 12211122200159. The next prime is 12211122200201. The reversal of 12211122200200 is 200222111221.

It is a happy number.

It is a super-2 number, since 2×12211122200200² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211122200201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 396449607 + ... + 396480406.

It is an arithmetic number, because the mean of its divisors is an integer number (368712456510).

Almost surely, 2^{12211122200200} is an apocalyptic number.

12211122200200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211122200200 is an abundant number, since it is smaller than the sum of its proper divisors (23185273624760).

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

12211122200200 is a wasteful number, since it uses less digits than its factorization.

12211122200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792930047 (or 792930038 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12211122200200 its reverse (200222111221), we get a palindrome (12411344311421).

The spelling of 12211122200200 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-two million, two hundred thousand, two hundred".