12022561554366 has 96 divisors (see below), whose sum is σ = 28008801644544. Its totient is φ = 3425911456000.

The previous prime is 12022561554221. The next prime is 12022561554373. The reversal of 12022561554366 is 66345516522021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13782481 + ... + 14628803.

It is an arithmetic number, because the mean of its divisors is an integer number (291758350464).

Almost surely, 2^{12022561554366} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12022561554366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14004400822272).

12022561554366 is an abundant number, since it is smaller than the sum of its proper divisors (15986240090178).

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

12022561554366 is a wasteful number, since it uses less digits than its factorization.

12022561554366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847518 (or 847507 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 12022561554366 in words is "twelve trillion, twenty-two billion, five hundred sixty-one million, five hundred fifty-four thousand, three hundred sixty-six".