212021240444222 has 8 divisors (see below), whose sum is σ = 346943847999672. Its totient is φ = 96373291111000.

The previous prime is 212021240444219. The next prime is 212021240444239. The reversal of 212021240444222 is 222444042120212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 4818664555529 + ... + 4818664555572.

It is an arithmetic number, because the mean of its divisors is an integer number (43367980999959).

Almost surely, 2^{212021240444222} is an apocalyptic number.

212021240444222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212021240444222 is a deficient number, since it is larger than the sum of its proper divisors (134922607555450).

212021240444222 is a wasteful number, since it uses less digits than its factorization.

212021240444222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9637329111114.

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 212021240444222 its reverse (222444042120212), we get a palindrome (434465282564434).

The spelling of 212021240444222 in words is "two hundred twelve trillion, twenty-one billion, two hundred forty million, four hundred forty-four thousand, two hundred twenty-two".