12012111320012 has 24 divisors (see below), whose sum is σ = 21563029039104. Its totient is φ = 5852371770512.

The previous prime is 12012111319987. The next prime is 12012111320113. The reversal of 12012111320012 is 21002311121021.

It is a happy number.

12012111320012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140693468 + ... + 140778819.

It is an arithmetic number, because the mean of its divisors is an integer number (898459543296).

Almost surely, 2^{12012111320012} is an apocalyptic number.

It is an amenable number.

12012111320012 is a deficient number, since it is larger than the sum of its proper divisors (9550917719092).

12012111320012 is a wasteful number, since it uses less digits than its factorization.

12012111320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281472565 (or 281472563 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12012111320012 its reverse (21002311121021), we get a palindrome (33014422441033).

The spelling of 12012111320012 in words is "twelve trillion, twelve billion, one hundred eleven million, three hundred twenty thousand, twelve".