12366626803 has 4 divisors (see below), whose sum is σ = 12793062240. Its totient is φ = 11940191368.

The previous prime is 12366626777. The next prime is 12366626827. The reversal of 12366626803 is 30862666321.

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 12366626803 - 2¹⁷ = 12366495731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12366626803.

It is not an unprimeable number, because it can be changed into a prime (12366626873) 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, 213217675 + ... + 213217732.

It is an arithmetic number, because the mean of its divisors is an integer number (3198265560).

Almost surely, 2^12366626803 is an apocalyptic number.

12366626803 is a deficient number, since it is larger than the sum of its proper divisors (426435437).

12366626803 is an equidigital number, since it uses as much as digits as its factorization.

12366626803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426435436.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 12366626803 in words is "twelve billion, three hundred sixty-six million, six hundred twenty-six thousand, eight hundred three".