12011111110012 has 24 divisors (see below), whose sum is σ = 24052746053504. Its totient is φ = 5141078225712.

The previous prime is 12011111110003. The next prime is 12011111110153. The reversal of 12011111110012 is 21001111111021.

12011111110012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×12011111110012³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12011111109974 and 12011111110001.

It is a congruent number.

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, 272511798 + ... + 272555869.

Almost surely, 2^{12011111110012} is an apocalyptic number.

It is an amenable number.

12011111110012 is an abundant number, since it is smaller than the sum of its proper divisors (12041634943492).

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

12011111110012 is a wasteful number, since it uses less digits than its factorization.

12011111110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545068465 (or 545068463 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 12011111110012 its reverse (21001111111021), we get a palindrome (33012222221033).

The spelling of 12011111110012 in words is "twelve trillion, eleven billion, one hundred eleven million, one hundred ten thousand, twelve".