212120020222 has 16 divisors (see below), whose sum is σ = 347135116032. Its totient is φ = 96409960920.

The previous prime is 212120020183. The next prime is 212120020247. The reversal of 212120020222 is 222020021212.

212120020222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212120020196 and 212120020205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144048 + ... + 667075.

It is an arithmetic number, because the mean of its divisors is an integer number (21695944752).

Almost surely, 2^212120020222 is an apocalyptic number.

212120020222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212120020222 is a deficient number, since it is larger than the sum of its proper divisors (135015095810).

212120020222 is a wasteful number, since it uses less digits than its factorization.

212120020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823023.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 212120020222 its reverse (222020021212), we get a palindrome (434140041434).

The spelling of 212120020222 in words is "two hundred twelve billion, one hundred twenty million, twenty thousand, two hundred twenty-two".