12624201218 has 4 divisors (see below), whose sum is σ = 18936301830. Its totient is φ = 6312100608.

The previous prime is 12624201211. The next prime is 12624201253. The reversal of 12624201218 is 81210242621.

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

It can be written as a sum of positive squares in only one way, i.e., 8668168609 + 3956032609 = 93103^2 + 62897^2 .

It is not an unprimeable number, because it can be changed into a prime (12624201211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3156050303 + ... + 3156050306.

Almost surely, 2^12624201218 is an apocalyptic number.

12624201218 is a deficient number, since it is larger than the sum of its proper divisors (6312100612).

12624201218 is an equidigital number, since it uses as much as digits as its factorization.

12624201218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312100611.

The product of its (nonzero) digits is 3072, while the sum is 29.

Adding to 12624201218 its reverse (81210242621), we get a palindrome (93834443839).

The spelling of 12624201218 in words is "twelve billion, six hundred twenty-four million, two hundred one thousand, two hundred eighteen".