12011110122 has 16 divisors (see below), whose sum is σ = 26206058592. Its totient is φ = 3639730320.

The previous prime is 12011110121. The next prime is 12011110159. The reversal of 12011110122 is 22101111021.

It is a junction number, because it is equal to n+sod(n) for n = 12011110098 and 12011110107.

It is not an unprimeable number, because it can be changed into a prime (12011110121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90993193 + ... + 90993324.

It is an arithmetic number, because the mean of its divisors is an integer number (1637878662).

Almost surely, 2^12011110122 is an apocalyptic number.

12011110122 is an abundant number, since it is smaller than the sum of its proper divisors (14194948470).

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

12011110122 is a wasteful number, since it uses less digits than its factorization.

12011110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181986533.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12011110122 its reverse (22101111021), we get a palindrome (34112221143).

The spelling of 12011110122 in words is "twelve billion, eleven million, one hundred ten thousand, one hundred twenty-two".