12677840109203 has 4 divisors (see below), whose sum is σ = 12721109188368. Its totient is φ = 12634571030040.

The previous prime is 12677840109149. The next prime is 12677840109223. The reversal of 12677840109203 is 30290104877621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12677840109203 - 2¹⁶ = 12677840043667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12677840109223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21634539143 + ... + 21634539728.

It is an arithmetic number, because the mean of its divisors is an integer number (3180277297092).

Almost surely, 2^{12677840109203} is an apocalyptic number.

12677840109203 is a deficient number, since it is larger than the sum of its proper divisors (43269079165).

12677840109203 is an equidigital number, since it uses as much as digits as its factorization.

12677840109203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43269079164.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 12677840109203 in words is "twelve trillion, six hundred seventy-seven billion, eight hundred forty million, one hundred nine thousand, two hundred three".