212120200022222 has 8 divisors (see below), whose sum is σ = 319779196014000. Its totient is φ = 105527134684224.

The previous prime is 212120200022201. The next prime is 212120200022317. The reversal of 212120200022222 is 222220002021212.

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

It is a junction number, because it is equal to n+sod(n) for n = 212120200022194 and 212120200022203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266482662947 + ... + 266482663742.

It is an arithmetic number, because the mean of its divisors is an integer number (39972399501750).

Almost surely, 2^{212120200022222} is an apocalyptic number.

212120200022222 is a deficient number, since it is larger than the sum of its proper divisors (107658995991778).

212120200022222 is a wasteful number, since it uses less digits than its factorization.

212120200022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532965326890.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 212120200022222 its reverse (222220002021212), we get a palindrome (434340202043434).

The spelling of 212120200022222 in words is "two hundred twelve trillion, one hundred twenty billion, two hundred million, twenty-two thousand, two hundred twenty-two".