12212211120112 has 20 divisors (see below), whose sum is σ = 23661360214416. Its totient is φ = 6106053645440.

The previous prime is 12212211120103. The next prime is 12212211120113. The reversal of 12212211120112 is 21102111221221.

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 12212211120112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212211120113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1267453 + ... + 5102044.

Almost surely, 2^{12212211120112} is an apocalyptic number.

It is an amenable number.

12212211120112 is a deficient number, since it is larger than the sum of its proper divisors (11449149094304).

12212211120112 is a wasteful number, since it uses less digits than its factorization.

12212211120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6489336 (or 6489330 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12212211120112 its reverse (21102111221221), we get a palindrome (33314322341333).

The spelling of 12212211120112 in words is "twelve trillion, two hundred twelve billion, two hundred eleven million, one hundred twenty thousand, one hundred twelve".