12120144042 has 16 divisors (see below), whose sum is σ = 25516092960. Its totient is φ = 3827413872.

The previous prime is 12120144041. The next prime is 12120144079. The reversal of 12120144042 is 24044102121.

12120144042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12120144041) 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 7 ways as a sum of consecutive naturals, for example, 53158413 + ... + 53158640.

It is an arithmetic number, because the mean of its divisors is an integer number (1594755810).

Almost surely, 2^12120144042 is an apocalyptic number.

12120144042 is an abundant number, since it is smaller than the sum of its proper divisors (13395948918).

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

12120144042 is a wasteful number, since it uses less digits than its factorization.

12120144042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106317077.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12120144042 its reverse (24044102121), we get a palindrome (36164246163).

The spelling of 12120144042 in words is "twelve billion, one hundred twenty million, one hundred forty-four thousand, forty-two".