12647103001321 has 4 divisors (see below), whose sum is σ = 12835865732752. Its totient is φ = 12458340269892.

The previous prime is 12647103001303. The next prime is 12647103001333. The reversal of 12647103001321 is 12310030174621.

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 a de Polignac number, because none of the positive numbers 2^k-12647103001321 is a prime.

It is a super-2 number, since 2×12647103001321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12647100001321) 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, 94381365615 + ... + 94381365748.

It is an arithmetic number, because the mean of its divisors is an integer number (3208966433188).

Almost surely, 2^{12647103001321} is an apocalyptic number.

It is an amenable number.

12647103001321 is a deficient number, since it is larger than the sum of its proper divisors (188762731431).

12647103001321 is an equidigital number, since it uses as much as digits as its factorization.

12647103001321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188762731430.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 12647103001321 its reverse (12310030174621), we get a palindrome (24957133175942).

The spelling of 12647103001321 in words is "twelve trillion, six hundred forty-seven billion, one hundred three million, one thousand, three hundred twenty-one".