12470712509 has 2 divisors, whose sum is σ = 12470712510. Its totient is φ = 12470712508.

The previous prime is 12470712487. The next prime is 12470712511. The reversal of 12470712509 is 90521707421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7961992900 + 4508719609 = 89230^2 + 67147^2 .

It is a cyclic number.

It is not a de Polignac number, because 12470712509 - 2¹² = 12470708413 is a prime.

Together with 12470712511, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12470712589) 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 as a sum of consecutive naturals, namely, 6235356254 + 6235356255.

It is an arithmetic number, because the mean of its divisors is an integer number (6235356255).

Almost surely, 2^12470712509 is an apocalyptic number.

It is an amenable number.

12470712509 is a deficient number, since it is larger than the sum of its proper divisors (1).

12470712509 is an equidigital number, since it uses as much as digits as its factorization.

12470712509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 12470712509 in words is "twelve billion, four hundred seventy million, seven hundred twelve thousand, five hundred nine".