212031220313 has 16 divisors (see below), whose sum is σ = 234440602560. Its totient is φ = 190157928000.

The previous prime is 212031220283. The next prime is 212031220319. The reversal of 212031220313 is 313022130212.

212031220313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 212031220313 - 2⁶ = 212031220249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212031220319) by changing a digit.

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, 36743 + ... + 652236.

It is an arithmetic number, because the mean of its divisors is an integer number (14652537660).

Almost surely, 2^212031220313 is an apocalyptic number.

It is an amenable number.

212031220313 is a deficient number, since it is larger than the sum of its proper divisors (22409382247).

212031220313 is a wasteful number, since it uses less digits than its factorization.

212031220313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689368.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212031220313 its reverse (313022130212), we get a palindrome (525053350525).

The spelling of 212031220313 in words is "two hundred twelve billion, thirty-one million, two hundred twenty thousand, three hundred thirteen".