212020221022 has 8 divisors (see below), whose sum is σ = 318041274816. Its totient is φ = 106006462752.

The previous prime is 212020220927. The next prime is 212020221041. The reversal of 212020221022 is 220122020212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212020220987 and 212020221005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1750638 + ... + 1867825.

It is an arithmetic number, because the mean of its divisors is an integer number (39755159352).

Almost surely, 2^212020221022 is an apocalyptic number.

212020221022 is a deficient number, since it is larger than the sum of its proper divisors (106021053794).

212020221022 is a wasteful number, since it uses less digits than its factorization.

212020221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3647762.

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

Adding to 212020221022 its reverse (220122020212), we get a palindrome (432142241234).

The spelling of 212020221022 in words is "two hundred twelve billion, twenty million, two hundred twenty-one thousand, twenty-two".