12513143420424 has 96 divisors (see below), whose sum is σ = 35151796199520. Its totient is φ = 4170234087936.

The previous prime is 12513143420399. The next prime is 12513143420443. The reversal of 12513143420424 is 42402434131521.

12513143420424 is a `hidden beast` number, since 1 + 2 + 5 + 13 + 1 + 434 + 204 + 2 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 9380472 + ... + 10631064.

It is an arithmetic number, because the mean of its divisors is an integer number (366164543745).

Almost surely, 2^{12513143420424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12513143420424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17575898099760).

12513143420424 is an abundant number, since it is smaller than the sum of its proper divisors (22638652779096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12513143420424 is a wasteful number, since it uses less digits than its factorization.

12513143420424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255761 (or 1255745 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 12513143420424 its reverse (42402434131521), we get a palindrome (54915577551945).

The spelling of 12513143420424 in words is "twelve trillion, five hundred thirteen billion, one hundred forty-three million, four hundred twenty thousand, four hundred twenty-four".