12110440122 has 72 divisors (see below), whose sum is σ = 28968668820. Its totient is φ = 3653654400.

The previous prime is 12110440091. The next prime is 12110440151. The reversal of 12110440122 is 22104401121.

12110440122 is a `hidden beast` number, since 1 + 211 + 0 + 440 + 12 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8802004761 + 3308435361 = 93819^2 + 57519^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12110440095 and 12110440104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 486622 + ... + 510902.

Almost surely, 2^12110440122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12110440122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14484334410).

12110440122 is an abundant number, since it is smaller than the sum of its proper divisors (16858228698).

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

12110440122 is a wasteful number, since it uses less digits than its factorization.

12110440122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24540 (or 24526 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12110440122 its reverse (22104401121), we get a palindrome (34214841243).

The spelling of 12110440122 in words is "twelve billion, one hundred ten million, four hundred forty thousand, one hundred twenty-two".