12127891303697 has 8 divisors (see below), whose sum is σ = 13060943904960. Its totient is φ = 11194858400400.

The previous prime is 12127891303691. The next prime is 12127891303709. The reversal of 12127891303697 is 79630319872121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12127891303697 - 2²⁰ = 12127890255121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12127891303691) 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 7 ways as a sum of consecutive naturals, for example, 3633197 + ... + 6120122.

It is an arithmetic number, because the mean of its divisors is an integer number (1632617988120).

Almost surely, 2^{12127891303697} is an apocalyptic number.

It is an amenable number.

12127891303697 is a deficient number, since it is larger than the sum of its proper divisors (933052601263).

12127891303697 is an equidigital number, since it uses as much as digits as its factorization.

12127891303697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9848983.

The product of its (nonzero) digits is 6858432, while the sum is 59.

The spelling of 12127891303697 in words is "twelve trillion, one hundred twenty-seven billion, eight hundred ninety-one million, three hundred three thousand, six hundred ninety-seven".