12042013242 has 16 divisors (see below), whose sum is σ = 27524601792. Its totient is φ = 3440575200.

The previous prime is 12042013237. The next prime is 12042013267. The reversal of 12042013242 is 24231024021.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 143357259 + ... + 143357342.

It is an arithmetic number, because the mean of its divisors is an integer number (1720287612).

Almost surely, 2^12042013242 is an apocalyptic number.

12042013242 is an abundant number, since it is smaller than the sum of its proper divisors (15482588550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12042013242 is a wasteful number, since it uses less digits than its factorization.

12042013242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286714613.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12042013242 its reverse (24231024021), we get a palindrome (36273037263).

The spelling of 12042013242 in words is "twelve billion, forty-two million, thirteen thousand, two hundred forty-two".