12182291818596 has 81 divisors (see below), whose sum is σ = 31465803305209. Its totient is φ = 3974043597888.

The previous prime is 12182291818589. The next prime is 12182291818603. The reversal of 12182291818596 is 69581819228121.

The square root of 12182291818596 is 3490314.

It is a perfect power (a square), and thus also a powerful number.

12182291818596 is a `hidden beast` number, since 1 + 2 + 1 + 8 + 2 + 29 + 1 + 8 + 18 + 596 = 666.

It is an interprime number because it is at equal distance from previous prime (12182291818589) and next prime (12182291818603).

It can be written as a sum of positive squares in only one way, i.e., 1392801228900 + 10789490589696 = 1180170^2 + 3284736^2 .

It is a super-2 number, since 2×12182291818596² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 984262360 + ... + 984274736.

Almost surely, 2^{12182291818596} is an apocalyptic number.

12182291818596 is the 3490314-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12182291818596

12182291818596 is an abundant number, since it is smaller than the sum of its proper divisors (19283511486613).

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

12182291818596 is an frugal number, since it uses more digits than its factorization.

12182291818596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24858 (or 12429 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 63.

The spelling of 12182291818596 in words is "twelve trillion, one hundred eighty-two billion, two hundred ninety-one million, eight hundred eighteen thousand, five hundred ninety-six".