12214216755240 has 64 divisors (see below), whose sum is σ = 36644209652160. Its totient is φ = 3256985856000.

The previous prime is 12214216755229. The next prime is 12214216755241. The reversal of 12214216755240 is 4255761241221.

It is a junction number, because it is equal to n+sod(n) for n = 12214216755192 and 12214216755201.

It is not an unprimeable number, because it can be changed into a prime (12214216755241) by changing a digit.

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, 681240 + ... + 4989240.

It is an arithmetic number, because the mean of its divisors is an integer number (572565775815).

Almost surely, 2^{12214216755240} is an apocalyptic number.

12214216755240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12214216755240 is an abundant number, since it is smaller than the sum of its proper divisors (24429992896920).

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

12214216755240 is a wasteful number, since it uses less digits than its factorization.

12214216755240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4331642 (or 4331638 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

Adding to 12214216755240 its reverse (4255761241221), we get a palindrome (16469977996461).

The spelling of 12214216755240 in words is "twelve trillion, two hundred fourteen billion, two hundred sixteen million, seven hundred fifty-five thousand, two hundred forty".