12022221021112 has 16 divisors (see below), whose sum is σ = 22667595503400. Its totient is φ = 5977528886880.

The previous prime is 12022221021103. The next prime is 12022221021149. The reversal of 12022221021112 is 21112012222021.

It is a self number, because there is not a number n which added to its sum of digits gives 12022221021112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4197701439 + ... + 4197704302.

Almost surely, 2^{12022221021112} is an apocalyptic number.

It is an amenable number.

12022221021112 is a deficient number, since it is larger than the sum of its proper divisors (10645374482288).

12022221021112 is a wasteful number, since it uses less digits than its factorization.

12022221021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8395405926 (or 8395405922 counting only the distinct ones).

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

Adding to 12022221021112 its reverse (21112012222021), we get a palindrome (33134233243133).

The spelling of 12022221021112 in words is "twelve trillion, twenty-two billion, two hundred twenty-one million, twenty-one thousand, one hundred twelve".