12042042044 has 24 divisors (see below), whose sum is σ = 21234702720. Its totient is φ = 5975023536.

The previous prime is 12042042037. The next prime is 12042042071. The reversal of 12042042044 is 44024024021.

It is a super-3 number, since 3×12042042044³ (a number of 31 digits) contains 333 as substring.

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, 1924529 + ... + 1930775.

It is an arithmetic number, because the mean of its divisors is an integer number (884779280).

Almost surely, 2^12042042044 is an apocalyptic number.

It is an amenable number.

12042042044 is a deficient number, since it is larger than the sum of its proper divisors (9192660676).

12042042044 is a wasteful number, since it uses less digits than its factorization.

12042042044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9857 (or 9855 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 12042042044 its reverse (44024024021), we get a palindrome (56066066065).

The spelling of 12042042044 in words is "twelve billion, forty-two million, forty-two thousand, forty-four".