12012101111012 has 12 divisors (see below), whose sum is σ = 22127554678320. Its totient is φ = 5689942631496.

The previous prime is 12012101111009. The next prime is 12012101111033. The reversal of 12012101111012 is 21011110121021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79026980918 + ... + 79026981069.

It is an arithmetic number, because the mean of its divisors is an integer number (1843962889860).

Almost surely, 2^{12012101111012} is an apocalyptic number.

It is an amenable number.

12012101111012 is a deficient number, since it is larger than the sum of its proper divisors (10115453567308).

12012101111012 is a wasteful number, since it uses less digits than its factorization.

12012101111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158053962010 (or 158053962008 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12012101111012 its reverse (21011110121021), we get a palindrome (33023211232033).

The spelling of 12012101111012 in words is "twelve trillion, twelve billion, one hundred one million, one hundred eleven thousand, twelve".