12024242018 has 16 divisors (see below), whose sum is σ = 19613471544. Its totient is φ = 5505534720.

The previous prime is 12024242011. The next prime is 12024242081. The reversal of 12024242018 is 81024242021.

It can be written as a sum of positive squares in 4 ways, for example, as 11860734649 + 163507369 = 108907^2 + 12787^2 .

It is a super-2 number, since 2×12024242018² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12024242011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4777853 + ... + 4780368.

Almost surely, 2^12024242018 is an apocalyptic number.

12024242018 is a deficient number, since it is larger than the sum of its proper divisors (7589229526).

12024242018 is a wasteful number, since it uses less digits than its factorization.

12024242018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9558277.

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 12024242018 its reverse (81024242021), we get a palindrome (93048484039).

The spelling of 12024242018 in words is "twelve billion, twenty-four million, two hundred forty-two thousand, eighteen".