22212201200212 has 12 divisors (see below), whose sum is σ = 39155084598420. Its totient is φ = 11025034172096.

The previous prime is 22212201200201. The next prime is 22212201200213. The reversal of 22212201200212 is 21200210221222.

It can be written as a sum of positive squares in 2 ways, for example, as 15843058751556 + 6369142448656 = 3980334^2 + 2523716^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22212201200212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212201200213) 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 3 ways as a sum of consecutive naturals, for example, 20266606387 + ... + 20266607482.

It is an arithmetic number, because the mean of its divisors is an integer number (3262923716535).

Almost surely, 2^{22212201200212} is an apocalyptic number.

It is an amenable number.

22212201200212 is a deficient number, since it is larger than the sum of its proper divisors (16942883398208).

22212201200212 is a wasteful number, since it uses less digits than its factorization.

22212201200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40533214010 (or 40533214008 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22212201200212 its reverse (21200210221222), we get a palindrome (43412411421434).

The spelling of 22212201200212 in words is "twenty-two trillion, two hundred twelve billion, two hundred one million, two hundred thousand, two hundred twelve".