12601612813 has 4 divisors (see below), whose sum is σ = 12605226048. Its totient is φ = 12597999580.

The previous prime is 12601612811. The next prime is 12601612819. The reversal of 12601612813 is 31821610621.

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 12601612813 - 2¹ = 12601612811 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 (12601612811) 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 3 ways as a sum of consecutive naturals, for example, 1801381 + ... + 1808362.

It is an arithmetic number, because the mean of its divisors is an integer number (3151306512).

Almost surely, 2^12601612813 is an apocalyptic number.

It is an amenable number.

12601612813 is a deficient number, since it is larger than the sum of its proper divisors (3613235).

12601612813 is an equidigital number, since it uses as much as digits as its factorization.

12601612813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613234.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 12601612813 in words is "twelve billion, six hundred one million, six hundred twelve thousand, eight hundred thirteen".