12217531177332 has 96 divisors (see below), whose sum is σ = 34112909376000. Its totient is φ = 3759098875776.

The previous prime is 12217531177303. The next prime is 12217531177337. The reversal of 12217531177332 is 23377113571221.

12217531177332 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 7 + 531 + 17 + 73 + 32 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12217531177337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40801294 + ... + 41099642.

It is an arithmetic number, because the mean of its divisors is an integer number (355342806000).

Almost surely, 2^{12217531177332} is an apocalyptic number.

12217531177332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12217531177332 is an abundant number, since it is smaller than the sum of its proper divisors (21895378198668).

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

12217531177332 is a wasteful number, since it uses less digits than its factorization.

12217531177332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327542 (or 327534 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The spelling of 12217531177332 in words is "twelve trillion, two hundred seventeen billion, five hundred thirty-one million, one hundred seventy-seven thousand, three hundred thirty-two".