12226369999 has 4 divisors (see below), whose sum is σ = 12245267664. Its totient is φ = 12207472336.

The previous prime is 12226369993. The next prime is 12226370017. The reversal of 12226369999 is 99996362221.

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 12226369999 - 2¹⁵ = 12226337231 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12226369993) 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, 9447862 + ... + 9449155.

It is an arithmetic number, because the mean of its divisors is an integer number (3061316916).

Almost surely, 2^12226369999 is an apocalyptic number.

12226369999 is a deficient number, since it is larger than the sum of its proper divisors (18897665).

12226369999 is an equidigital number, since it uses as much as digits as its factorization.

12226369999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18897664.

The product of its digits is 5668704, while the sum is 58.

The spelling of 12226369999 in words is "twelve billion, two hundred twenty-six million, three hundred sixty-nine thousand, nine hundred ninety-nine".