12010012112111 has 32 divisors (see below), whose sum is σ = 13635839161728. Its totient is φ = 10494534758400.

The previous prime is 12010012112009. The next prime is 12010012112149. The reversal of 12010012112111 is 11121121001021.

It is a cyclic number.

It is not a de Polignac number, because 12010012112111 - 2¹⁰ = 12010012111087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010012112171) 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 31 ways as a sum of consecutive naturals, for example, 69280535 + ... + 69453671.

It is an arithmetic number, because the mean of its divisors is an integer number (426119973804).

Almost surely, 2^{12010012112111} is an apocalyptic number.

12010012112111 is a deficient number, since it is larger than the sum of its proper divisors (1625827049617).

12010012112111 is a wasteful number, since it uses less digits than its factorization.

12010012112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175571.

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

Adding to 12010012112111 its reverse (11121121001021), we get a palindrome (23131133113132).

The spelling of 12010012112111 in words is "twelve trillion, ten billion, twelve million, one hundred twelve thousand, one hundred eleven".