12042031442 has 8 divisors (see below), whose sum is σ = 20643482496. Its totient is φ = 5160870612.

The previous prime is 12042031423. The next prime is 12042031453. The reversal of 12042031442 is 24413024021.

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

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, 430072538 + ... + 430072565.

It is an arithmetic number, because the mean of its divisors is an integer number (2580435312).

Almost surely, 2^12042031442 is an apocalyptic number.

12042031442 is a deficient number, since it is larger than the sum of its proper divisors (8601451054).

12042031442 is an equidigital number, since it uses as much as digits as its factorization.

12042031442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860145112.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12042031442 its reverse (24413024021), we get a palindrome (36455055463).

The spelling of 12042031442 in words is "twelve billion, forty-two million, thirty-one thousand, four hundred forty-two".