12269600509 has 6 divisors (see below), whose sum is σ = 12576159770. Its totient is φ = 11970340320.

The previous prime is 12269600507. The next prime is 12269600513. The reversal of 12269600509 is 90500696221.

It can be written as a sum of positive squares in 3 ways, for example, as 188293284 + 12081307225 = 13722^2 + 109915^2 .

It is not a de Polignac number, because 12269600509 - 2¹ = 12269600507 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 (12269600501) 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 5 ways as a sum of consecutive naturals, for example, 3647814 + ... + 3651175.

Almost surely, 2^12269600509 is an apocalyptic number.

It is an amenable number.

12269600509 is a deficient number, since it is larger than the sum of its proper divisors (306559261).

12269600509 is an frugal number, since it uses more digits than its factorization.

12269600509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7299071 (or 7299030 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 12269600509 in words is "twelve billion, two hundred sixty-nine million, six hundred thousand, five hundred nine".