216344020443612 has 12 divisors (see below), whose sum is σ = 504802714368456. Its totient is φ = 72114673481200.

The previous prime is 216344020443599. The next prime is 216344020443653.

216344020443612 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9014334185139 + ... + 9014334185162.

It is an arithmetic number, because the mean of its divisors is an integer number (42066892864038).

Almost surely, 2^{216344020443612} is an apocalyptic number.

It is an amenable number.

216344020443612 is an abundant number, since it is smaller than the sum of its proper divisors (288458693924844).

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

216344020443612 is a wasteful number, since it uses less digits than its factorization.

216344020443612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18028668370308 (or 18028668370306 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 216344020443612 in words is "two hundred sixteen trillion, three hundred forty-four billion, twenty million, four hundred forty-three thousand, six hundred twelve".