12582216368164 has 9 divisors (see below), whose sum is σ = 22018891059291. Its totient is φ = 6291104636940.

The previous prime is 12582216368159. The next prime is 12582216368167. The reversal of 12582216368164 is 46186361228521.

It is a happy number.

The square root of 12582216368164 is 3547142.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12582216368167) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6207499 + ... + 7981069.

Almost surely, 2^{12582216368164} is an apocalyptic number.

12582216368164 is the 3547142-nd square number.

It is an amenable number.

12582216368164 is a deficient number, since it is larger than the sum of its proper divisors (9436674691127).

12582216368164 is an frugal number, since it uses more digits than its factorization.

12582216368164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547146 (or 1773573 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 55.

The spelling of 12582216368164 in words is "twelve trillion, five hundred eighty-two billion, two hundred sixteen million, three hundred sixty-eight thousand, one hundred sixty-four".