12315402424 has 16 divisors (see below), whose sum is σ = 24867639720. Its totient is φ = 5684031840.

The previous prime is 12315402419. The next prime is 12315402427. The reversal of 12315402424 is 42420451321.

It is a junction number, because it is equal to n+sod(n) for n = 12315402392 and 12315402401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315402427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59208562 + ... + 59208769.

Almost surely, 2^12315402424 is an apocalyptic number.

It is an amenable number.

12315402424 is an abundant number, since it is smaller than the sum of its proper divisors (12552237296).

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

12315402424 is a wasteful number, since it uses less digits than its factorization.

12315402424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118417350 (or 118417346 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 12315402424 its reverse (42420451321), we get a palindrome (54735853745).

The spelling of 12315402424 in words is "twelve billion, three hundred fifteen million, four hundred two thousand, four hundred twenty-four".