12011110012 has 72 divisors (see below), whose sum is σ = 23349107600. Its totient is φ = 5402073600.

The previous prime is 12011110009. The next prime is 12011110019. The reversal of 12011110012 is 21001111021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011110019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34415614 + ... + 34415962.

Almost surely, 2^12011110012 is an apocalyptic number.

It is an amenable number.

12011110012 is a deficient number, since it is larger than the sum of its proper divisors (11337997588).

12011110012 is a wasteful number, since it uses less digits than its factorization.

12011110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12011110012 its reverse (21001111021), we get a palindrome (33012221033).

The spelling of 12011110012 in words is "twelve billion, eleven million, one hundred ten thousand, twelve".