12212022210112 has 28 divisors (see below), whose sum is σ = 24238661947776. Its totient is φ = 6104642821760.

The previous prime is 12212022210109. The next prime is 12212022210163. The reversal of 12212022210112 is 21101222021221.

It is a self number, because there is not a number n which added to its sum of digits gives 12212022210112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21091564 + ... + 21662827.

Almost surely, 2^{12212022210112} is an apocalyptic number.

It is an amenable number.

12212022210112 is a deficient number, since it is larger than the sum of its proper divisors (12026639737664).

12212022210112 is an equidigital number, since it uses as much as digits as its factorization.

12212022210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42758866 (or 42758856 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12212022210112 its reverse (21101222021221), we get a palindrome (33313244231333).

The spelling of 12212022210112 in words is "twelve trillion, two hundred twelve billion, twenty-two million, two hundred ten thousand, one hundred twelve".