212021230222 has 16 divisors (see below), whose sum is σ = 323726211072. Its totient is φ = 104124545280.

The previous prime is 212021230217. The next prime is 212021230243. The reversal of 212021230222 is 222032120212.

It is a self number, because there is not a number n which added to its sum of digits gives 212021230222.

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, 2977678 + ... + 3048049.

It is an arithmetic number, because the mean of its divisors is an integer number (20232888192).

Almost surely, 2^212021230222 is an apocalyptic number.

212021230222 is a deficient number, since it is larger than the sum of its proper divisors (111704980850).

212021230222 is a wasteful number, since it uses less digits than its factorization.

212021230222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6026043.

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

Adding to 212021230222 its reverse (222032120212), we get a palindrome (434053350434).

The spelling of 212021230222 in words is "two hundred twelve billion, twenty-one million, two hundred thirty thousand, two hundred twenty-two".