12347658711 has 10 divisors (see below), whose sum is σ = 18445268072. Its totient is φ = 8231772420.

The previous prime is 12347658707. The next prime is 12347658731. The reversal of 12347658711 is 11785674321.

12347658711 is a `hidden beast` number, since 1 + 23 + 47 + 6 + 587 + 1 + 1 = 666.

It is not a de Polignac number, because 12347658711 - 2² = 12347658707 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 (12347658731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 76220035 + ... + 76220196.

Almost surely, 2^12347658711 is an apocalyptic number.

12347658711 is a deficient number, since it is larger than the sum of its proper divisors (6097609361).

12347658711 is an equidigital number, since it uses as much as digits as its factorization.

12347658711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152440243 (or 152440234 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The spelling of 12347658711 in words is "twelve billion, three hundred forty-seven million, six hundred fifty-eight thousand, seven hundred eleven".