212012000122222 has 16 divisors (see below), whose sum is σ = 319824721621872. Its totient is φ = 105404305835520.

The previous prime is 212012000122217. The next prime is 212012000122231. The reversal of 212012000122222 is 222221000210212.

It is a super-2 number, since 2×212012000122222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212012000122222.

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, 135786133 + ... + 137338624.

It is an arithmetic number, because the mean of its divisors is an integer number (19989045101367).

Almost surely, 2^{212012000122222} is an apocalyptic number.

212012000122222 is a deficient number, since it is larger than the sum of its proper divisors (107812721499650).

212012000122222 is a wasteful number, since it uses less digits than its factorization.

212012000122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273126963.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212012000122222 its reverse (222221000210212), we get a palindrome (434233000332434).

The spelling of 212012000122222 in words is "two hundred twelve trillion, twelve billion, one hundred twenty-two thousand, two hundred twenty-two".