13123412325224 has 8 divisors (see below), whose sum is σ = 24606398109810. Its totient is φ = 6561706162608.

The previous prime is 13123412325173. The next prime is 13123412325227. The reversal of 13123412325224 is 42252321432131.

It can be written as a sum of positive squares in only one way, i.e., 12685578669124 + 437833656100 = 3561682^2 + 661690^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13123412325227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820213270319 + ... + 820213270334.

Almost surely, 2^{13123412325224} is an apocalyptic number.

It is an amenable number.

13123412325224 is a deficient number, since it is larger than the sum of its proper divisors (11482985784586).

13123412325224 is a wasteful number, since it uses less digits than its factorization.

13123412325224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640426540659 (or 1640426540655 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

Adding to 13123412325224 its reverse (42252321432131), we get a palindrome (55375733757355).

The spelling of 13123412325224 in words is "thirteen trillion, one hundred twenty-three billion, four hundred twelve million, three hundred twenty-five thousand, two hundred twenty-four".