12220200112212 has 120 divisors (see below), whose sum is σ = 32824595392512. Its totient is φ = 3962159712000.

The previous prime is 12220200112177. The next prime is 12220200112213. The reversal of 12220200112212 is 21221100202221.

It is a happy number.

12220200112212 is a `hidden beast` number, since 12 + 220 + 200 + 11 + 221 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220200112213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1537837 + ... + 5177387.

Almost surely, 2^{12220200112212} is an apocalyptic number.

12220200112212 is a gapful number since it is divisible by the number (12) 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 12220200112212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16412297696256).

12220200112212 is an abundant number, since it is smaller than the sum of its proper divisors (20604395280300).

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

12220200112212 is a wasteful number, since it uses less digits than its factorization.

12220200112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639851 (or 3639840 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12220200112212 its reverse (21221100202221), we get a palindrome (33441300314433).

Subtracting 12220200112212 from its reverse (21221100202221), we obtain a palindrome (9000900090009).

The spelling of 12220200112212 in words is "twelve trillion, two hundred twenty billion, two hundred million, one hundred twelve thousand, two hundred twelve".