212112122111222 has 16 divisors (see below), whose sum is σ = 318297879224160. Its totient is φ = 106012835836992.

The previous prime is 212112122111221. The next prime is 212112122111287. The reversal of 212112122111222 is 222111221211212.

212112122111222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112122111221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60922508 + ... + 64310000.

It is an arithmetic number, because the mean of its divisors is an integer number (19893617451510).

Almost surely, 2^{212112122111222} is an apocalyptic number.

212112122111222 is a deficient number, since it is larger than the sum of its proper divisors (106185757112938).

212112122111222 is a wasteful number, since it uses less digits than its factorization.

212112122111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400247.

The product of its digits is 256, while the sum is 23.

Adding to 212112122111222 its reverse (222111221211212), we get a palindrome (434223343322434).

The spelling of 212112122111222 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred twenty-two million, one hundred eleven thousand, two hundred twenty-two".