12856612384801 has 16 divisors (see below), whose sum is σ = 13703277821184. Its totient is φ = 12020084711424.

The previous prime is 12856612384793. The next prime is 12856612384817. The reversal of 12856612384801 is 10848321665821.

It is a cyclic number.

It is not a de Polignac number, because 12856612384801 - 2³ = 12856612384793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12856612384871) 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 15 ways as a sum of consecutive naturals, for example, 2913121 + ... + 5848033.

It is an arithmetic number, because the mean of its divisors is an integer number (856454863824).

Almost surely, 2^{12856612384801} is an apocalyptic number.

It is an amenable number.

12856612384801 is a deficient number, since it is larger than the sum of its proper divisors (846665436383).

12856612384801 is a wasteful number, since it uses less digits than its factorization.

12856612384801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936640.

The product of its (nonzero) digits is 4423680, while the sum is 55.

The spelling of 12856612384801 in words is "twelve trillion, eight hundred fifty-six billion, six hundred twelve million, three hundred eighty-four thousand, eight hundred one".