12641470017427 has 8 divisors (see below), whose sum is σ = 13307002228160. Its totient is φ = 11975956975080.

The previous prime is 12641470017383. The next prime is 12641470017433. The reversal of 12641470017427 is 72471007414621.

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 12641470017427 - 2¹⁵ = 12641469984659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12641470027427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3428433 + ... + 6085810.

It is an arithmetic number, because the mean of its divisors is an integer number (1663375278520).

Almost surely, 2^{12641470017427} is an apocalyptic number.

12641470017427 is a deficient number, since it is larger than the sum of its proper divisors (665532210733).

12641470017427 is an equidigital number, since it uses as much as digits as its factorization.

12641470017427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9584193.

The product of its (nonzero) digits is 526848, while the sum is 46.

The spelling of 12641470017427 in words is "twelve trillion, six hundred forty-one billion, four hundred seventy million, seventeen thousand, four hundred twenty-seven".