12031113122 has 16 divisors (see below), whose sum is σ = 20628146880. Its totient is φ = 5155345968.

The previous prime is 12031113119. The next prime is 12031113131. The reversal of 12031113122 is 22131113021.

12031113122 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 12031113122.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22193 + ... + 156699.

It is an arithmetic number, because the mean of its divisors is an integer number (1289259180).

Almost surely, 2^12031113122 is an apocalyptic number.

12031113122 is a deficient number, since it is larger than the sum of its proper divisors (8597033758).

12031113122 is a wasteful number, since it uses less digits than its factorization.

12031113122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140905.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12031113122 its reverse (22131113021), we get a palindrome (34162226143).

The spelling of 12031113122 in words is "twelve billion, thirty-one million, one hundred thirteen thousand, one hundred twenty-two".