12601697309 has 16 divisors (see below), whose sum is σ = 13212460800. Its totient is φ = 11996328960.

The previous prime is 12601697257. The next prime is 12601697333. The reversal of 12601697309 is 90379610621.

It is not a de Polignac number, because 12601697309 - 2¹² = 12601693213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12601697309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12601697359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4759424 + ... + 4762070.

It is an arithmetic number, because the mean of its divisors is an integer number (825778800).

Almost surely, 2^12601697309 is an apocalyptic number.

It is an amenable number.

12601697309 is a deficient number, since it is larger than the sum of its proper divisors (610763491).

12601697309 is a wasteful number, since it uses less digits than its factorization.

12601697309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580.

The product of its (nonzero) digits is 122472, while the sum is 44.

The spelling of 12601697309 in words is "twelve billion, six hundred one million, six hundred ninety-seven thousand, three hundred nine".