12042140044142 has 16 divisors (see below), whose sum is σ = 19454217477072. Its totient is φ = 5557473728640.

The previous prime is 12042140044117. The next prime is 12042140044159. The reversal of 12042140044142 is 24144004124021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17873768 + ... + 18535259.

It is an arithmetic number, because the mean of its divisors is an integer number (1215888592317).

Almost surely, 2^{12042140044142} is an apocalyptic number.

12042140044142 is a deficient number, since it is larger than the sum of its proper divisors (7412077432930).

12042140044142 is a wasteful number, since it uses less digits than its factorization.

12042140044142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36421763.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 12042140044142 its reverse (24144004124021), we get a palindrome (36186144168163).

The spelling of 12042140044142 in words is "twelve trillion, forty-two billion, one hundred forty million, forty-four thousand, one hundred forty-two".