12211111202200 has 96 divisors (see below), whose sum is σ = 28682441282160. Its totient is φ = 4834359129600.

The previous prime is 12211111202021. The next prime is 12211111202203. The reversal of 12211111202200 is 220211111221.

12211111202200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12211111202200² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211111202203) 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, 23129170 + ... + 23651230.

Almost surely, 2^{12211111202200} is an apocalyptic number.

12211111202200 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 12211111202200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14341220641080).

12211111202200 is an abundant number, since it is smaller than the sum of its proper divisors (16471330079960).

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

12211111202200 is a wasteful number, since it uses less digits than its factorization.

12211111202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523277 (or 523268 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12211111202200 its reverse (220211111221), we get a palindrome (12431322313421).

The spelling of 12211111202200 in words is "twelve trillion, two hundred eleven billion, one hundred eleven million, two hundred two thousand, two hundred".