12862271565641 has 8 divisors (see below), whose sum is σ = 12950237551680. Its totient is φ = 12774416023152.

The previous prime is 12862271565599. The next prime is 12862271565653. The reversal of 12862271565641 is 14656517226821.

It is a happy number.

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 12862271565641 - 2³⁴ = 12845091696457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12862271562641) 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, 27377165 + ... + 27843018.

It is an arithmetic number, because the mean of its divisors is an integer number (1618779693960).

Almost surely, 2^{12862271565641} is an apocalyptic number.

It is an amenable number.

12862271565641 is a deficient number, since it is larger than the sum of its proper divisors (87965986039).

12862271565641 is a wasteful number, since it uses less digits than its factorization.

12862271565641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55221775.

The product of its digits is 9676800, while the sum is 56.

The spelling of 12862271565641 in words is "twelve trillion, eight hundred sixty-two billion, two hundred seventy-one million, five hundred sixty-five thousand, six hundred forty-one".