12226418989 has 8 divisors (see below), whose sum is σ = 12999340728. Its totient is φ = 11459466240.

The previous prime is 12226418977. The next prime is 12226419013. The reversal of 12226418989 is 98981462221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 972816100 + 11253602889 = 31190^2 + 106083^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12226418989 - 2¹¹ = 12226416941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12226413989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1488022 + ... + 1496215.

It is an arithmetic number, because the mean of its divisors is an integer number (1624917591).

Almost surely, 2^12226418989 is an apocalyptic number.

It is an amenable number.

12226418989 is a deficient number, since it is larger than the sum of its proper divisors (772921739).

12226418989 is a wasteful number, since it uses less digits than its factorization.

12226418989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984495.

The product of its digits is 995328, while the sum is 52.

The spelling of 12226418989 in words is "twelve billion, two hundred twenty-six million, four hundred eighteen thousand, nine hundred eighty-nine".