12110012122122 has 64 divisors (see below), whose sum is σ = 26955839520000. Its totient is φ = 4029967111104.

The previous prime is 12110012122099. The next prime is 12110012122123. The reversal of 12110012122122 is 22122121001121.

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 = 12110012122095 and 12110012122104.

It is not an unprimeable number, because it can be changed into a prime (12110012122123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350804379 + ... + 350838897.

It is an arithmetic number, because the mean of its divisors is an integer number (421184992500).

Almost surely, 2^{12110012122122} is an apocalyptic number.

12110012122122 is an abundant number, since it is smaller than the sum of its proper divisors (14845827397878).

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

12110012122122 is a wasteful number, since it uses less digits than its factorization.

12110012122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45132 (or 45126 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12110012122122 its reverse (22122121001121), we get a palindrome (34232133123243).

The spelling of 12110012122122 in words is "twelve trillion, one hundred ten billion, twelve million, one hundred twenty-two thousand, one hundred twenty-two".