12542132424 has 64 divisors (see below), whose sum is σ = 32810495040. Its totient is φ = 3990954240.

The previous prime is 12542132423. The next prime is 12542132431. The reversal of 12542132424 is 42423124521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12542132391 and 12542132400.

It is not an unprimeable number, because it can be changed into a prime (12542132423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86182 + ... + 180309.

It is an arithmetic number, because the mean of its divisors is an integer number (512663985).

Almost surely, 2^12542132424 is an apocalyptic number.

It is an amenable number.

12542132424 is an abundant number, since it is smaller than the sum of its proper divisors (20268362616).

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

12542132424 is a wasteful number, since it uses less digits than its factorization.

12542132424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266590 (or 266586 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

Adding to 12542132424 its reverse (42423124521), we get a palindrome (54965256945).

The spelling of 12542132424 in words is "twelve billion, five hundred forty-two million, one hundred thirty-two thousand, four hundred twenty-four".