12211210221112 has 32 divisors (see below), whose sum is σ = 26525329452000. Its totient is φ = 5161685727744.

The previous prime is 12211210221073. The next prime is 12211210221157. The reversal of 12211210221112 is 21112201211221.

It is a happy number.

12211210221112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12211210221112² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12211210221112.

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, 1493539237 + ... + 1493547412.

It is an arithmetic number, because the mean of its divisors is an integer number (828916545375).

Almost surely, 2^{12211210221112} is an apocalyptic number.

It is an amenable number.

12211210221112 is an abundant number, since it is smaller than the sum of its proper divisors (14314119230888).

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

12211210221112 is a wasteful number, since it uses less digits than its factorization.

12211210221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987086735 (or 2987086731 counting only the distinct ones).

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

Adding to 12211210221112 its reverse (21112201211221), we get a palindrome (33323411432333).

The spelling of 12211210221112 in words is "twelve trillion, two hundred eleven billion, two hundred ten million, two hundred twenty-one thousand, one hundred twelve".