212212000221112 has 32 divisors (see below), whose sum is σ = 421303970502720. Its totient is φ = 99864296524800.

The previous prime is 212212000221101. The next prime is 212212000221121. The reversal of 212212000221112 is 211122000212212.

It is a self number, because there is not a number n which added to its sum of digits gives 212212000221112.

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 7 ways as a sum of consecutive naturals, for example, 110728612 + ... + 112628812.

It is an arithmetic number, because the mean of its divisors is an integer number (13165749078210).

Almost surely, 2^{212212000221112} is an apocalyptic number.

It is an amenable number.

212212000221112 is a deficient number, since it is larger than the sum of its proper divisors (209091970281608).

212212000221112 is a wasteful number, since it uses less digits than its factorization.

212212000221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721391 (or 2721387 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212212000221112 its reverse (211122000212212), we get a palindrome (423334000433324).

The spelling of 212212000221112 in words is "two hundred twelve trillion, two hundred twelve billion, two hundred twenty-one thousand, one hundred twelve".