212102221222200 has 192 divisors, whose sum is σ = 681717108741120. Its totient is φ = 54494928000000.

The previous prime is 212102221222181. The next prime is 212102221222277. The reversal of 212102221222200 is 2222122201212.

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 47 ways as a sum of consecutive naturals, for example, 20895301 + ... + 29339700.

It is an arithmetic number, because the mean of its divisors is an integer number (3550609941360).

Almost surely, 2^{212102221222200} is an apocalyptic number.

212102221222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212102221222200 is an abundant number, since it is smaller than the sum of its proper divisors (469614887518920).

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

212102221222200 is a wasteful number, since it uses less digits than its factorization.

212102221222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50235278 (or 50235269 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212102221222200 its reverse (2222122201212), we get a palindrome (214324343423412).

The spelling of 212102221222200 in words is "two hundred twelve trillion, one hundred two billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred".