216313313612 has 24 divisors (see below), whose sum is σ = 413105064960. Its totient is φ = 98290118160.

The previous prime is 216313313597. The next prime is 216313313633.

216313313612 is nontrivially palindromic in base 10.

216313313612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 724412 + ... + 978467.

It is an arithmetic number, because the mean of its divisors is an integer number (17212711040).

Almost surely, 2^216313313612 is an apocalyptic number.

216313313612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

216313313612 is a deficient number, since it is larger than the sum of its proper divisors (196791751348).

216313313612 is a wasteful number, since it uses less digits than its factorization.

216313313612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705781 (or 1705779 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

It can be divided in two parts, 216313 and 313612, that added together give a palindrome (529925).

The spelling of 216313313612 in words is "two hundred sixteen billion, three hundred thirteen million, three hundred thirteen thousand, six hundred twelve".