12120033111 has 8 divisors (see below), whose sum is σ = 16241251200. Its totient is φ = 8039418552.

The previous prime is 12120033089. The next prime is 12120033113. The reversal of 12120033111 is 11133002121.

It is a happy number.

12120033111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12120033111 - 2¹⁸ = 12119770967 is a prime.

It is a super-2 number, since 2×12120033111² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120033113) 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, 10150185 + ... + 10151378.

It is an arithmetic number, because the mean of its divisors is an integer number (2030156400).

Almost surely, 2^12120033111 is an apocalyptic number.

12120033111 is a deficient number, since it is larger than the sum of its proper divisors (4121218089).

12120033111 is a wasteful number, since it uses less digits than its factorization.

12120033111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20301765.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12120033111 its reverse (11133002121), we get a palindrome (23253035232).

The spelling of 12120033111 in words is "twelve billion, one hundred twenty million, thirty-three thousand, one hundred eleven".