12211011222112 has 24 divisors (see below), whose sum is σ = 24041732016456. Its totient is φ = 6105174519552.

The previous prime is 12211011222101. The next prime is 12211011222139. The reversal of 12211011222112 is 21122211011221.

It is a happy number.

12211011222112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12211011222112.

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, 9746758 + ... + 10928005.

It is an arithmetic number, because the mean of its divisors is an integer number (1001738834019).

Almost surely, 2^{12211011222112} is an apocalyptic number.

It is an amenable number.

12211011222112 is a deficient number, since it is larger than the sum of its proper divisors (11830720794344).

12211011222112 is a wasteful number, since it uses less digits than its factorization.

12211011222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20693230 (or 20693222 counting only the distinct ones).

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

Adding to 12211011222112 its reverse (21122211011221), we get a palindrome (33333222233333).

The spelling of 12211011222112 in words is "twelve trillion, two hundred eleven billion, eleven million, two hundred twenty-two thousand, one hundred twelve".