12601344671 has 4 divisors (see below), whose sum is σ = 12941921592. Its totient is φ = 12260767752.

The previous prime is 12601344599. The next prime is 12601344731. The reversal of 12601344671 is 17644310621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12601344671 - 2²² = 12597150367 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 (12601344871) 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, 170288405 + ... + 170288478.

It is an arithmetic number, because the mean of its divisors is an integer number (3235480398).

Almost surely, 2^12601344671 is an apocalyptic number.

12601344671 is a deficient number, since it is larger than the sum of its proper divisors (340576921).

12601344671 is an equidigital number, since it uses as much as digits as its factorization.

12601344671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340576920.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 12601344671 in words is "twelve billion, six hundred one million, three hundred forty-four thousand, six hundred seventy-one".