212211200222 has 32 divisors (see below), whose sum is σ = 383012340480. Its totient is φ = 86144100480.

The previous prime is 212211200221. The next prime is 212211200233. The reversal of 212211200222 is 222002112212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212211200222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212211200221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1333697 + ... + 1484307.

It is an arithmetic number, because the mean of its divisors is an integer number (11969135640).

Almost surely, 2^212211200222 is an apocalyptic number.

212211200222 is a deficient number, since it is larger than the sum of its proper divisors (170801140258).

212211200222 is a wasteful number, since it uses less digits than its factorization.

212211200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155936.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212211200222 its reverse (222002112212), we get a palindrome (434213312434).

The spelling of 212211200222 in words is "two hundred twelve billion, two hundred eleven million, two hundred thousand, two hundred twenty-two".