212120213322 has 16 divisors (see below), whose sum is σ = 424251217440. Its totient is φ = 70704939312.

The previous prime is 212120213317. The next prime is 212120213329. The reversal of 212120213322 is 223312021212.

212120213322 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212120213329) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 181797 + ... + 676232.

It is an arithmetic number, because the mean of its divisors is an integer number (26515701090).

Almost surely, 2^212120213322 is an apocalyptic number.

212120213322 is an abundant number, since it is smaller than the sum of its proper divisors (212131004118).

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

212120213322 is a wasteful number, since it uses less digits than its factorization.

212120213322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899237.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212120213322 its reverse (223312021212), we get a palindrome (435432234534).

The spelling of 212120213322 in words is "two hundred twelve billion, one hundred twenty million, two hundred thirteen thousand, three hundred twenty-two".