212031321302 has 16 divisors (see below), whose sum is σ = 330204304512. Its totient is φ = 102002756160.

The previous prime is 212031321247. The next prime is 212031321347. The reversal of 212031321302 is 203123130212.

212031321302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 9873263 + ... + 9894714.

It is an arithmetic number, because the mean of its divisors is an integer number (20637769032).

Almost surely, 2^212031321302 is an apocalyptic number.

212031321302 is a deficient number, since it is larger than the sum of its proper divisors (118172983210).

212031321302 is a wasteful number, since it uses less digits than its factorization.

212031321302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19768183.

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

Adding to 212031321302 its reverse (203123130212), we get a palindrome (415154451514).

The spelling of 212031321302 in words is "two hundred twelve billion, thirty-one million, three hundred twenty-one thousand, three hundred two".