12324040042 has 8 divisors (see below), whose sum is σ = 19123510500. Its totient is φ = 5949536544.

The previous prime is 12324040033. The next prime is 12324040081. The reversal of 12324040042 is 24004042321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12283067241 + 40972801 = 110829^2 + 6401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12324039995 and 12324040022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106241667 + ... + 106241782.

Almost surely, 2^12324040042 is an apocalyptic number.

12324040042 is a deficient number, since it is larger than the sum of its proper divisors (6799470458).

12324040042 is a wasteful number, since it uses less digits than its factorization.

12324040042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212483480.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12324040042 its reverse (24004042321), we get a palindrome (36328082363).

The spelling of 12324040042 in words is "twelve billion, three hundred twenty-four million, forty thousand, forty-two".