12217936320 has 280 divisors, whose sum is σ = 45750632400. Its totient is φ = 3086512128.

The previous prime is 12217936273. The next prime is 12217936337. The reversal of 12217936320 is 2363971221.

12217936320 is a `hidden beast` number, since 1 + 2 + 2 + 17 + 9 + 3 + 632 + 0 = 666.

12217936320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 480076 + ... + 504884.

Almost surely, 2^12217936320 is an apocalyptic number.

12217936320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12217936320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22875316200).

12217936320 is an abundant number, since it is smaller than the sum of its proper divisors (33532696080).

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

12217936320 is a wasteful number, since it uses less digits than its factorization.

12217936320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24857 (or 24838 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 12217936320 in words is "twelve billion, two hundred seventeen million, nine hundred thirty-six thousand, three hundred twenty".