212012122002222 has 16 divisors (see below), whose sum is σ = 424834997823360. Its totient is φ = 70535581697592.

The previous prime is 212012122002209. The next prime is 212012122002293. The reversal of 212012122002222 is 222200221210212.

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, 33781405722 + ... + 33781411997.

It is an arithmetic number, because the mean of its divisors is an integer number (26552187363960).

Almost surely, 2^{212012122002222} is an apocalyptic number.

212012122002222 is an abundant number, since it is smaller than the sum of its proper divisors (212822875821138).

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

212012122002222 is a wasteful number, since it uses less digits than its factorization.

212012122002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67562818247.

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

Adding to 212012122002222 its reverse (222200221210212), we get a palindrome (434212343212434).

The spelling of 212012122002222 in words is "two hundred twelve trillion, twelve billion, one hundred twenty-two million, two thousand, two hundred twenty-two".