12616401009 has 8 divisors (see below), whose sum is σ = 16847870400. Its totient is φ = 8397932816.

The previous prime is 12616400999. The next prime is 12616401023. The reversal of 12616401009 is 90010461621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12616401009 - 2²⁴ = 12599623793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12616402009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3248034 + ... + 3251915.

It is an arithmetic number, because the mean of its divisors is an integer number (2105983800).

Almost surely, 2^12616401009 is an apocalyptic number.

It is an amenable number.

12616401009 is a deficient number, since it is larger than the sum of its proper divisors (4231469391).

12616401009 is an equidigital number, since it uses as much as digits as its factorization.

12616401009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6500599.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 12616401009 in words is "twelve billion, six hundred sixteen million, four hundred one thousand, nine".