12406127447 has 8 divisors (see below), whose sum is σ = 14308509600. Its totient is φ = 10536264864.

The previous prime is 12406127443. The next prime is 12406127449. The reversal of 12406127447 is 74472160421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12406127447 - 2² = 12406127443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12406127447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12406127443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8129072 + ... + 8130597.

It is an arithmetic number, because the mean of its divisors is an integer number (1788563700).

Almost surely, 2^12406127447 is an apocalyptic number.

12406127447 is a deficient number, since it is larger than the sum of its proper divisors (1902382153).

12406127447 is a wasteful number, since it uses less digits than its factorization.

12406127447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16259785.

The product of its (nonzero) digits is 75264, while the sum is 38.

Adding to 12406127447 its reverse (74472160421), we get a palindrome (86878287868).

The spelling of 12406127447 in words is "twelve billion, four hundred six million, one hundred twenty-seven thousand, four hundred forty-seven".