12217617571832 has 32 divisors (see below), whose sum is σ = 23081817024000. Its totient is φ = 6062537616000.

The previous prime is 12217617571829. The next prime is 12217617571837. The reversal of 12217617571832 is 23817571671221.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12217617571837) 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 7 ways as a sum of consecutive naturals, for example, 3080519 + ... + 5824502.

It is an arithmetic number, because the mean of its divisors is an integer number (721306782000).

Almost surely, 2^{12217617571832} is an apocalyptic number.

It is an amenable number.

12217617571832 is a deficient number, since it is larger than the sum of its proper divisors (10864199452168).

12217617571832 is a wasteful number, since it uses less digits than its factorization.

12217617571832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8906327 (or 8906323 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 53.

The spelling of 12217617571832 in words is "twelve trillion, two hundred seventeen billion, six hundred seventeen million, five hundred seventy-one thousand, eight hundred thirty-two".