12424342144 has 16 divisors (see below), whose sum is σ = 24751619370. Its totient is φ = 6212171008.

The previous prime is 12424342103. The next prime is 12424342153. The reversal of 12424342144 is 44124342421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8084167744 + 4340174400 = 89912^2 + 65880^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×12424342144² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48532459 + ... + 48532714.

Almost surely, 2^12424342144 is an apocalyptic number.

It is an amenable number.

12424342144 is a deficient number, since it is larger than the sum of its proper divisors (12327277226).

12424342144 is an frugal number, since it uses more digits than its factorization.

12424342144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97065187 (or 97065175 counting only the distinct ones).

The product of its digits is 24576, while the sum is 31.

Adding to 12424342144 its reverse (44124342421), we get a palindrome (56548684565).

The spelling of 12424342144 in words is "twelve billion, four hundred twenty-four million, three hundred forty-two thousand, one hundred forty-four".