216330033612 has 48 divisors (see below), whose sum is σ = 629323736832. Its totient is φ = 56189618880.

The previous prime is 216330033587. The next prime is 216330033643.

216330033612 is nontrivially palindromic in base 10.

216330033612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 216330033612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117060783 + ... + 117062630.

It is an arithmetic number, because the mean of its divisors is an integer number (13110911184).

Almost surely, 2^216330033612 is an apocalyptic number.

216330033612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

216330033612 is an abundant number, since it is smaller than the sum of its proper divisors (412993703220).

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

216330033612 is a wasteful number, since it uses less digits than its factorization.

216330033612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234123438 (or 234123436 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 30.

It can be divided in two parts, 2163300 and 33612, that added together give a palindrome (2196912).

The spelling of 216330033612 in words is "two hundred sixteen billion, three hundred thirty million, thirty-three thousand, six hundred twelve".