12217530457320 has 128 divisors (see below), whose sum is σ = 37836830592000. Its totient is φ = 3152752957440.

The previous prime is 12217530457313. The next prime is 12217530457337. The reversal of 12217530457320 is 2375403571221.

It is a super-3 number, since 3×12217530457320³ (a number of 40 digits) contains 333 as substring.

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, 86266726 + ... + 86408234.

It is an arithmetic number, because the mean of its divisors is an integer number (295600239000).

Almost surely, 2^{12217530457320} is an apocalyptic number.

12217530457320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12217530457320 is an abundant number, since it is smaller than the sum of its proper divisors (25619300134680).

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

12217530457320 is a wasteful number, since it uses less digits than its factorization.

12217530457320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164763 (or 164759 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 12217530457320 in words is "twelve trillion, two hundred seventeen billion, five hundred thirty million, four hundred fifty-seven thousand, three hundred twenty".