12226369589556 has 96 divisors (see below), whose sum is σ = 29668637644800. Its totient is φ = 3914083071360.

The previous prime is 12226369589537. The next prime is 12226369589573. The reversal of 12226369589556 is 65598596362221.

It is a super-2 number, since 2×12226369589556² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50446641 + ... + 50688423.

It is an arithmetic number, because the mean of its divisors is an integer number (309048308800).

Almost surely, 2^{12226369589556} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12226369589556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14834318822400).

12226369589556 is an abundant number, since it is smaller than the sum of its proper divisors (17442268055244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12226369589556 is a wasteful number, since it uses less digits than its factorization.

12226369589556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242589 (or 242587 counting only the distinct ones).

The product of its digits is 419904000, while the sum is 69.

The spelling of 12226369589556 in words is "twelve trillion, two hundred twenty-six billion, three hundred sixty-nine million, five hundred eighty-nine thousand, five hundred fifty-six".