212020231222 has 16 divisors (see below), whose sum is σ = 335124601200. Its totient is φ = 100323891360.

The previous prime is 212020231187. The next prime is 212020231237. The reversal of 212020231222 is 222132020212.

It is a super-2 number, since 2×212020231222² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 212020231222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2928897 + ... + 3000412.

It is an arithmetic number, because the mean of its divisors is an integer number (20945287575).

Almost surely, 2^212020231222 is an apocalyptic number.

212020231222 is a deficient number, since it is larger than the sum of its proper divisors (123104369978).

212020231222 is a wasteful number, since it uses less digits than its factorization.

212020231222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5930271.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212020231222 its reverse (222132020212), we get a palindrome (434152251434).

The spelling of 212020231222 in words is "two hundred twelve billion, twenty million, two hundred thirty-one thousand, two hundred twenty-two".