212022120222 has 48 divisors (see below), whose sum is σ = 509637173760. Its totient is φ = 63160155600.

The previous prime is 212022120217. The next prime is 212022120257. The reversal of 212022120222 is 222021220212.

212022120222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×212022120222³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212022120195 and 212022120204.

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 23 ways as a sum of consecutive naturals, for example, 9063054 + ... + 9086417.

It is an arithmetic number, because the mean of its divisors is an integer number (10617441120).

Almost surely, 2^212022120222 is an apocalyptic number.

212022120222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212022120222 is an abundant number, since it is smaller than the sum of its proper divisors (297615053538).

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

212022120222 is a wasteful number, since it uses less digits than its factorization.

212022120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18149549 (or 18149546 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 212022120222 its reverse (222021220212), we get a palindrome (434043340434).

The spelling of 212022120222 in words is "two hundred twelve billion, twenty-two million, one hundred twenty thousand, two hundred twenty-two".