12608230309 has 4 divisors (see below), whose sum is σ = 12730640416. Its totient is φ = 12485820204.

The previous prime is 12608230303. The next prime is 12608230331. The reversal of 12608230309 is 90303280621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12608230309 - 2¹⁵ = 12608197541 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 (12608230303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61204899 + ... + 61205104.

It is an arithmetic number, because the mean of its divisors is an integer number (3182660104).

Almost surely, 2^12608230309 is an apocalyptic number.

It is an amenable number.

12608230309 is a deficient number, since it is larger than the sum of its proper divisors (122410107).

12608230309 is a wasteful number, since it uses less digits than its factorization.

12608230309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122410106.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 12608230309 in words is "twelve billion, six hundred eight million, two hundred thirty thousand, three hundred nine".