12427342767 has 12 divisors (see below), whose sum is σ = 20514978640. Its totient is φ = 7101338688.

The previous prime is 12427342751. The next prime is 12427342801. The reversal of 12427342767 is 76724372421.

12427342767 is a `hidden beast` number, since 1 + 242 + 7 + 342 + 7 + 67 = 666.

It is not a de Polignac number, because 12427342767 - 2⁴ = 12427342751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12427344767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98629642 + ... + 98629767.

Almost surely, 2^12427342767 is an apocalyptic number.

12427342767 is a deficient number, since it is larger than the sum of its proper divisors (8087635873).

12427342767 is a wasteful number, since it uses less digits than its factorization.

12427342767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197259422 (or 197259419 counting only the distinct ones).

The product of its digits is 790272, while the sum is 45.

The spelling of 12427342767 in words is "twelve billion, four hundred twenty-seven million, three hundred forty-two thousand, seven hundred sixty-seven".