12120144011 has 4 divisors (see below), whose sum is σ = 12123507792. Its totient is φ = 12116780232.

The previous prime is 12120144007. The next prime is 12120144013. The reversal of 12120144011 is 11044102121.

12120144011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12120144011 - 2² = 12120144007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120144013) 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 3 ways as a sum of consecutive naturals, for example, 1676480 + ... + 1683693.

It is an arithmetic number, because the mean of its divisors is an integer number (3030876948).

Almost surely, 2^12120144011 is an apocalyptic number.

12120144011 is a deficient number, since it is larger than the sum of its proper divisors (3363781).

12120144011 is an equidigital number, since it uses as much as digits as its factorization.

12120144011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363780.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12120144011 its reverse (11044102121), we get a palindrome (23164246132).

The spelling of 12120144011 in words is "twelve billion, one hundred twenty million, one hundred forty-four thousand, eleven".