12664224403 has 4 divisors (see below), whose sum is σ = 12734974440. Its totient is φ = 12593474368.

The previous prime is 12664224379. The next prime is 12664224427. The reversal of 12664224403 is 30442246621.

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

It is an interprime number because it is at equal distance from previous prime (12664224379) and next prime (12664224427).

It is a cyclic number.

It is not a de Polignac number, because 12664224403 - 2¹³ = 12664216211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12664224203) 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 3 ways as a sum of consecutive naturals, for example, 35374750 + ... + 35375107.

It is an arithmetic number, because the mean of its divisors is an integer number (3183743610).

Almost surely, 2^12664224403 is an apocalyptic number.

12664224403 is a deficient number, since it is larger than the sum of its proper divisors (70750037).

12664224403 is an equidigital number, since it uses as much as digits as its factorization.

12664224403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70750036.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 12664224403 in words is "twelve billion, six hundred sixty-four million, two hundred twenty-four thousand, four hundred three".