12601604071 has 4 divisors (see below), whose sum is σ = 14401833232. Its totient is φ = 10801374912.

The previous prime is 12601604063. The next prime is 12601604087. The reversal of 12601604071 is 17040610621.

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 12601604071 - 2³ = 12601604063 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 (12601604371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900114570 + ... + 900114583.

It is an arithmetic number, because the mean of its divisors is an integer number (3600458308).

Almost surely, 2^12601604071 is an apocalyptic number.

12601604071 is a deficient number, since it is larger than the sum of its proper divisors (1800229161).

12601604071 is an equidigital number, since it uses as much as digits as its factorization.

12601604071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800229160.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 12601604071 in words is "twelve billion, six hundred one million, six hundred four thousand, seventy-one".