12221120200212 has 72 divisors (see below), whose sum is σ = 38515045488192. Its totient is φ = 3174316934400.

The previous prime is 12221120200193. The next prime is 12221120200243. The reversal of 12221120200212 is 21200202112221.

It is a happy number.

12221120200212 is a `hidden beast` number, since 1 + 22 + 211 + 20 + 200 + 212 = 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 (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2204383989 + ... + 2204389532.

It is an arithmetic number, because the mean of its divisors is an integer number (534931187336).

Almost surely, 2^{12221120200212} is an apocalyptic number.

12221120200212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12221120200212 is an abundant number, since it is smaller than the sum of its proper divisors (26293925287980).

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

12221120200212 is a wasteful number, since it uses less digits than its factorization.

12221120200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408773549 (or 4408773544 counting only the distinct ones).

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

Adding to 12221120200212 its reverse (21200202112221), we get a palindrome (33421322312433).

The spelling of 12221120200212 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty million, two hundred thousand, two hundred twelve".