212220020022 has 16 divisors (see below), whose sum is σ = 446778989760. Its totient is φ = 67016848392.

The previous prime is 212220019951. The next prime is 212220020063. The reversal of 212220020022 is 220020022212.

It is a junction number, because it is equal to n+sod(n) for n = 212220019983 and 212220020010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930789448 + ... + 930789675.

It is an arithmetic number, because the mean of its divisors is an integer number (27923686860).

Almost surely, 2^212220020022 is an apocalyptic number.

212220020022 is an abundant number, since it is smaller than the sum of its proper divisors (234558969738).

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

212220020022 is a wasteful number, since it uses less digits than its factorization.

212220020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861579147.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 212220020022 its reverse (220020022212), we get a palindrome (432240042234).

It can be divided in two parts, 212 and 220020022, that multiplied together give a palindrome (46644244664).

The spelling of 212220020022 in words is "two hundred twelve billion, two hundred twenty million, twenty thousand, twenty-two".