12111441142 has 8 divisors (see below), whose sum is σ = 18173415600. Its totient is φ = 6053635944.

The previous prime is 12111441137. The next prime is 12111441161. The reversal of 12111441142 is 24114411121.

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

It is a super-2 number, since 2×12111441142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035042 + ... + 1046677.

It is an arithmetic number, because the mean of its divisors is an integer number (2271676950).

Almost surely, 2^12111441142 is an apocalyptic number.

12111441142 is a deficient number, since it is larger than the sum of its proper divisors (6061974458).

12111441142 is a wasteful number, since it uses less digits than its factorization.

12111441142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084630.

The product of its digits is 256, while the sum is 22.

Adding to 12111441142 its reverse (24114411121), we get a palindrome (36225852263).

The spelling of 12111441142 in words is "twelve billion, one hundred eleven million, four hundred forty-one thousand, one hundred forty-two".