12648224558 has 4 divisors (see below), whose sum is σ = 18972336840. Its totient is φ = 6324112278.

The previous prime is 12648224549. The next prime is 12648224573. The reversal of 12648224558 is 85542284621.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3162056138 + ... + 3162056141.

It is an arithmetic number, because the mean of its divisors is an integer number (4743084210).

Almost surely, 2^12648224558 is an apocalyptic number.

12648224558 is a deficient number, since it is larger than the sum of its proper divisors (6324112282).

12648224558 is an equidigital number, since it uses as much as digits as its factorization.

12648224558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6324112281.

The product of its digits is 1228800, while the sum is 47.

The spelling of 12648224558 in words is "twelve billion, six hundred forty-eight million, two hundred twenty-four thousand, five hundred fifty-eight".