12342240216 has 48 divisors (see below), whose sum is σ = 34664939400. Its totient is φ = 4114079424.

The previous prime is 12342240179. The next prime is 12342240233. The reversal of 12342240216 is 61204224321.

12342240216 is a `hidden beast` number, since 1 + 23 + 422 + 4 + 0 + 216 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 12342240216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3172501 + ... + 3176388.

Almost surely, 2^12342240216 is an apocalyptic number.

It is an amenable number.

12342240216 is an abundant number, since it is smaller than the sum of its proper divisors (22322699184).

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

12342240216 is an equidigital number, since it uses as much as digits as its factorization.

12342240216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6348910 (or 6348894 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 12342240216 its reverse (61204224321), we get a palindrome (73546464537).

The spelling of 12342240216 in words is "twelve billion, three hundred forty-two million, two hundred forty thousand, two hundred sixteen".