12472842547 has 4 divisors (see below), whose sum is σ = 13606737336. Its totient is φ = 11338947760.

The previous prime is 12472842527. The next prime is 12472842623. The reversal of 12472842547 is 74524827421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12472842547 - 2³¹ = 10325358899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12472842497 and 12472842506.

It is not an unprimeable number, because it can be changed into a prime (12472842517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566947378 + ... + 566947399.

It is an arithmetic number, because the mean of its divisors is an integer number (3401684334).

Almost surely, 2^12472842547 is an apocalyptic number.

12472842547 is a deficient number, since it is larger than the sum of its proper divisors (1133894789).

12472842547 is a wasteful number, since it uses less digits than its factorization.

12472842547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133894788.

The product of its digits is 1003520, while the sum is 46.

The spelling of 12472842547 in words is "twelve billion, four hundred seventy-two million, eight hundred forty-two thousand, five hundred forty-seven".