12042430434 has 32 divisors (see below), whose sum is σ = 26901089280. Its totient is φ = 3993123600.

The previous prime is 12042430427. The next prime is 12042430481. The reversal of 12042430434 is 43403424021.

It is a happy number.

12042430434 is a `hidden beast` number, since 1 + 204 + 24 + 3 + 0 + 434 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12042430398 and 12042430407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573477 + ... + 594104.

It is an arithmetic number, because the mean of its divisors is an integer number (840659040).

Almost surely, 2^12042430434 is an apocalyptic number.

12042430434 is an abundant number, since it is smaller than the sum of its proper divisors (14858658846).

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

12042430434 is a wasteful number, since it uses less digits than its factorization.

12042430434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167783 (or 1167777 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 12042430434 its reverse (43403424021), we get a palindrome (55445854455).

The spelling of 12042430434 in words is "twelve billion, forty-two million, four hundred thirty thousand, four hundred thirty-four".