12216535460610 has 32 divisors (see below), whose sum is σ = 31575045499200. Its totient is φ = 3007147190208.

The previous prime is 12216535460579. The next prime is 12216535460629. The reversal of 12216535460610 is 1606453561221.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 15662224560 + ... + 15662225339.

It is an arithmetic number, because the mean of its divisors is an integer number (986720171850).

Almost surely, 2^{12216535460610} is an apocalyptic number.

12216535460610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12216535460610 is an abundant number, since it is smaller than the sum of its proper divisors (19358510038590).

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

12216535460610 is a wasteful number, since it uses less digits than its factorization.

12216535460610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31324449922.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 12216535460610 in words is "twelve trillion, two hundred sixteen billion, five hundred thirty-five million, four hundred sixty thousand, six hundred ten".