12727663445451 has 8 divisors (see below), whose sum is σ = 16970517289024. Its totient is φ = 8484959282760.

The previous prime is 12727663445411. The next prime is 12727663445557. The reversal of 12727663445451 is 15454436672721.

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

It is not a de Polignac number, because 12727663445451 - 2⁹ = 12727663444939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12727663445391 and 12727663445400.

It is not an unprimeable number, because it can be changed into a prime (12727663445411) 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, 37221661 + ... + 37562046.

It is an arithmetic number, because the mean of its divisors is an integer number (2121314661128).

Almost surely, 2^{12727663445451} is an apocalyptic number.

12727663445451 is a deficient number, since it is larger than the sum of its proper divisors (4242853843573).

12727663445451 is an equidigital number, since it uses as much as digits as its factorization.

12727663445451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74840441.

The product of its digits is 33868800, while the sum is 57.

The spelling of 12727663445451 in words is "twelve trillion, seven hundred twenty-seven billion, six hundred sixty-three million, four hundred forty-five thousand, four hundred fifty-one".