212020320222 has 24 divisors (see below), whose sum is σ = 459710055480. Its totient is φ = 70622256240.

The previous prime is 212020320217. The next prime is 212020320223. The reversal of 212020320222 is 222023020212.

212020320222 is a `hidden beast` number, since 2 + 120 + 2 + 0 + 320 + 222 = 666.

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 = 212020320195 and 212020320204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020320223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4239772 + ... + 4289487.

It is an arithmetic number, because the mean of its divisors is an integer number (19154585645).

Almost surely, 2^212020320222 is an apocalyptic number.

212020320222 is an abundant number, since it is smaller than the sum of its proper divisors (247689735258).

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

212020320222 is a wasteful number, since it uses less digits than its factorization.

212020320222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8530648 (or 8530645 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 212020320222 its reverse (222023020212), we get a palindrome (434043340434).

The spelling of 212020320222 in words is "two hundred twelve billion, twenty million, three hundred twenty thousand, two hundred twenty-two".