12042442141 has 4 divisors (see below), whose sum is σ = 12336160284. Its totient is φ = 11748724000.

The previous prime is 12042442123. The next prime is 12042442163. The reversal of 12042442141 is 14124424021.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5769010116 + 6273432025 = 75954^2 + 79205^2 .

It is a cyclic number.

It is not a de Polignac number, because 12042442141 - 2¹⁵ = 12042409373 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 (12042449141) 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, 146859010 + ... + 146859091.

It is an arithmetic number, because the mean of its divisors is an integer number (3084040071).

Almost surely, 2^12042442141 is an apocalyptic number.

It is an amenable number.

12042442141 is a deficient number, since it is larger than the sum of its proper divisors (293718143).

12042442141 is an equidigital number, since it uses as much as digits as its factorization.

12042442141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293718142.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 12042442141 its reverse (14124424021), we get a palindrome (26166866162).

The spelling of 12042442141 in words is "twelve billion, forty-two million, four hundred forty-two thousand, one hundred forty-one".