12042230042 has 16 divisors (see below), whose sum is σ = 18238662432. Its totient is φ = 5962716240.

The previous prime is 12042230033. The next prime is 12042230063. The reversal of 12042230042 is 24003224021.

It is a junction number, because it is equal to n+sod(n) for n = 12042229996 and 12042230023.

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, 713048 + ... + 729740.

It is an arithmetic number, because the mean of its divisors is an integer number (1139916402).

Almost surely, 2^12042230042 is an apocalyptic number.

12042230042 is a deficient number, since it is larger than the sum of its proper divisors (6196432390).

12042230042 is a wasteful number, since it uses less digits than its factorization.

12042230042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20173.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 12042230042 its reverse (24003224021), we get a palindrome (36045454063).

The spelling of 12042230042 in words is "twelve billion, forty-two million, two hundred thirty thousand, forty-two".