12010442111 has 4 divisors (see below), whose sum is σ = 12010708224. Its totient is φ = 12010176000.

The previous prime is 12010442083. The next prime is 12010442131. The reversal of 12010442111 is 11124401021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12010442111 - 2¹⁰ = 12010441087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12010442111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010442131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46655 + ... + 161856.

It is an arithmetic number, because the mean of its divisors is an integer number (3002677056).

Almost surely, 2^12010442111 is an apocalyptic number.

12010442111 is a deficient number, since it is larger than the sum of its proper divisors (266113).

12010442111 is an equidigital number, since it uses as much as digits as its factorization.

12010442111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266112.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12010442111 its reverse (11124401021), we get a palindrome (23134843132).

The spelling of 12010442111 in words is "twelve billion, ten million, four hundred forty-two thousand, one hundred eleven".