12021202221112 has 32 divisors (see below), whose sum is σ = 25760778952320. Its totient is φ = 5151731827680.

The previous prime is 12021202221001. The next prime is 12021202221143. The reversal of 12021202221112 is 21112220212021.

It is a self number, because there is not a number n which added to its sum of digits gives 12021202221112.

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, 3039318 + ... + 5768869.

It is an arithmetic number, because the mean of its divisors is an integer number (805024342260).

Almost surely, 2^{12021202221112} is an apocalyptic number.

It is an amenable number.

12021202221112 is an abundant number, since it is smaller than the sum of its proper divisors (13739576731208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12021202221112 is a wasteful number, since it uses less digits than its factorization.

12021202221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8832571 (or 8832567 counting only the distinct ones).

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

Adding to 12021202221112 its reverse (21112220212021), we get a palindrome (33133422433133).

The spelling of 12021202221112 in words is "twelve trillion, twenty-one billion, two hundred two million, two hundred twenty-one thousand, one hundred twelve".