12042434042 has 16 divisors (see below), whose sum is σ = 19017378240. Its totient is φ = 5703408288.

The previous prime is 12042434029. The next prime is 12042434051. The reversal of 12042434042 is 24043424021.

It is a happy 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, 260483 + ... + 303209.

It is an arithmetic number, because the mean of its divisors is an integer number (1188586140).

Almost surely, 2^12042434042 is an apocalyptic number.

12042434042 is a deficient number, since it is larger than the sum of its proper divisors (6974944198).

12042434042 is a wasteful number, since it uses less digits than its factorization.

12042434042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50165.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 12042434042 its reverse (24043424021), we get a palindrome (36085858063).

The spelling of 12042434042 in words is "twelve billion, forty-two million, four hundred thirty-four thousand, forty-two".