12012120123112 has 128 divisors (see below), whose sum is σ = 23957333452800. Its totient is φ = 5637008785408.

The previous prime is 12012120123097. The next prime is 12012120123119. The reversal of 12012120123112 is 21132102121021.

12012120123112 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 12012120123112.

It is not an unprimeable number, because it can be changed into a prime (12012120123119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 989215713 + ... + 989227855.

It is an arithmetic number, because the mean of its divisors is an integer number (187166667600).

Almost surely, 2^{12012120123112} is an apocalyptic number.

It is an amenable number.

12012120123112 is a deficient number, since it is larger than the sum of its proper divisors (11945213329688).

12012120123112 is a wasteful number, since it uses less digits than its factorization.

12012120123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12835 (or 12831 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12012120123112 its reverse (21132102121021), we get a palindrome (33144222244133).

The spelling of 12012120123112 in words is "twelve trillion, twelve billion, one hundred twenty million, one hundred twenty-three thousand, one hundred twelve".