12425224144 has 10 divisors (see below), whose sum is σ = 24073871810. Its totient is φ = 6212612064.

The previous prime is 12425224117. The next prime is 12425224157. The reversal of 12425224144 is 44142252421.

It can be written as a sum of positive squares in only one way, i.e., 10346958400 + 2078265744 = 101720^2 + 45588^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 388288239 + ... + 388288270.

It is an arithmetic number, because the mean of its divisors is an integer number (2407387181).

Almost surely, 2^12425224144 is an apocalyptic number.

It is an amenable number.

12425224144 is a deficient number, since it is larger than the sum of its proper divisors (11648647666).

12425224144 is an equidigital number, since it uses as much as digits as its factorization.

12425224144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776576517 (or 776576511 counting only the distinct ones).

The product of its digits is 20480, while the sum is 31.

Adding to 12425224144 its reverse (44142252421), we get a palindrome (56567476565).

The spelling of 12425224144 in words is "twelve billion, four hundred twenty-five million, two hundred twenty-four thousand, one hundred forty-four".