12211112012200 has 96 divisors (see below), whose sum is σ = 30113720422200. Its totient is φ = 4589044490240.

The previous prime is 12211112012161. The next prime is 12211112012201. The reversal of 12211112012200 is 221021111221.

It can be written as a sum of positive squares in 12 ways, for example, as 2083709572036 + 10127402440164 = 1443506^2 + 3182358^2 .

It is a super-2 number, since 2×12211112012200² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211112012201) 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, 1221379 + ... + 5090578.

Almost surely, 2^{12211112012200} is an apocalyptic number.

12211112012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211112012200 is an abundant number, since it is smaller than the sum of its proper divisors (17902608410000).

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

12211112012200 is a wasteful number, since it uses less digits than its factorization.

12211112012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312559 (or 6312550 counting only the distinct ones).

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

Adding to 12211112012200 its reverse (221021111221), we get a palindrome (12432133123421).

The spelling of 12211112012200 in words is "twelve trillion, two hundred eleven billion, one hundred twelve million, twelve thousand, two hundred".