12144435524 has 24 divisors (see below), whose sum is σ = 22906213848. Its totient is φ = 5600563200.

The previous prime is 12144435517. The next prime is 12144435533. The reversal of 12144435524 is 42553444121.

It is a happy number.

12144435524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2828325124 + 9316110400 = 53182^2 + 96520^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30077 + ... + 158724.

It is an arithmetic number, because the mean of its divisors is an integer number (954425577).

Almost surely, 2^12144435524 is an apocalyptic number.

It is an amenable number.

12144435524 is a deficient number, since it is larger than the sum of its proper divisors (10761778324).

12144435524 is a wasteful number, since it uses less digits than its factorization.

12144435524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190055 (or 190053 counting only the distinct ones).

The product of its digits is 76800, while the sum is 35.

Adding to 12144435524 its reverse (42553444121), we get a palindrome (54697879645).

The spelling of 12144435524 in words is "twelve billion, one hundred forty-four million, four hundred thirty-five thousand, five hundred twenty-four".