12601351317 has 4 divisors (see below), whose sum is σ = 16801801760. Its totient is φ = 8400900876.

The previous prime is 12601351307. The next prime is 12601351319. The reversal of 12601351317 is 71315310621.

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 not a de Polignac number, because 12601351317 - 2⁶ = 12601351253 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 (12601351319) 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, 2100225217 + ... + 2100225222.

It is an arithmetic number, because the mean of its divisors is an integer number (4200450440).

Almost surely, 2^12601351317 is an apocalyptic number.

It is an amenable number.

12601351317 is a deficient number, since it is larger than the sum of its proper divisors (4200450443).

12601351317 is an equidigital number, since it uses as much as digits as its factorization.

12601351317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200450442.

The product of its (nonzero) digits is 3780, while the sum is 30.

Adding to 12601351317 its reverse (71315310621), we get a palindrome (83916661938).

The spelling of 12601351317 in words is "twelve billion, six hundred one million, three hundred fifty-one thousand, three hundred seventeen".