12438412472 has 64 divisors (see below), whose sum is σ = 25440307200. Its totient is φ = 5679573120.

The previous prime is 12438412463. The next prime is 12438412517. The reversal of 12438412472 is 27421483421.

12438412472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1234238 + ... + 1244274.

It is an arithmetic number, because the mean of its divisors is an integer number (397504800).

Almost surely, 2^12438412472 is an apocalyptic number.

It is an amenable number.

12438412472 is an abundant number, since it is smaller than the sum of its proper divisors (13001894728).

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

12438412472 is a wasteful number, since it uses less digits than its factorization.

12438412472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10356 (or 10352 counting only the distinct ones).

The product of its digits is 86016, while the sum is 38.

Adding to 12438412472 its reverse (27421483421), we get a palindrome (39859895893).

The spelling of 12438412472 in words is "twelve billion, four hundred thirty-eight million, four hundred twelve thousand, four hundred seventy-two".