12552218219 has 4 divisors (see below), whose sum is σ = 12985053360. Its totient is φ = 12119383080.

The previous prime is 12552218207. The next prime is 12552218227. The reversal of 12552218219 is 91281225521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91281225521 = 10847 ⋅8415343.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12552218219 is a prime.

It is a super-2 number, since 2×12552218219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12552238219) 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, 216417527 + ... + 216417584.

It is an arithmetic number, because the mean of its divisors is an integer number (3246263340).

Almost surely, 2^12552218219 is an apocalyptic number.

12552218219 is a deficient number, since it is larger than the sum of its proper divisors (432835141).

12552218219 is an equidigital number, since it uses as much as digits as its factorization.

12552218219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432835140.

The product of its digits is 28800, while the sum is 38.

The spelling of 12552218219 in words is "twelve billion, five hundred fifty-two million, two hundred eighteen thousand, two hundred nineteen".