12120122211112 has 32 divisors (see below), whose sum is σ = 22881982977000. Its totient is φ = 6018275144704.

The previous prime is 12120122211091. The next prime is 12120122211167. The reversal of 12120122211112 is 21111222102121.

It is a happy number.

12120122211112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5714232078916 + 6405890132196 = 2390446^2 + 2530986^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12120122211112.

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, 5518548 + ... + 7395580.

Almost surely, 2^{12120122211112} is an apocalyptic number.

It is an amenable number.

12120122211112 is a deficient number, since it is larger than the sum of its proper divisors (10761860765888).

12120122211112 is a wasteful number, since it uses less digits than its factorization.

12120122211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882605 (or 1882601 counting only the distinct ones).

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

Adding to 12120122211112 its reverse (21111222102121), we get a palindrome (33231344313233).

The spelling of 12120122211112 in words is "twelve trillion, one hundred twenty billion, one hundred twenty-two million, two hundred eleven thousand, one hundred twelve".