12002112111111 has 8 divisors (see below), whose sum is σ = 16003656223104. Its totient is φ = 8000988036600.

The previous prime is 12002112111103. The next prime is 12002112111113. The reversal of 12002112111111 is 11111121120021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12002112111111 - 2³ = 12002112111103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002112111113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 104942691 + ... + 105056996.

It is an arithmetic number, because the mean of its divisors is an integer number (2000457027888).

Almost surely, 2^{12002112111111} is an apocalyptic number.

12002112111111 is a deficient number, since it is larger than the sum of its proper divisors (4001544111993).

12002112111111 is a wasteful number, since it uses less digits than its factorization.

12002112111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210018741.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12002112111111 its reverse (11111121120021), we get a palindrome (23113233231132).

The spelling of 12002112111111 in words is "twelve trillion, two billion, one hundred twelve million, one hundred eleven thousand, one hundred eleven".