212012201312 has 24 divisors (see below), whose sum is σ = 418015606176. Its totient is φ = 105849507712.

The previous prime is 212012201311. The next prime is 212012201351. The reversal of 212012201312 is 213102210212.

212012201312 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 not an unprimeable number, because it can be changed into a prime (212012201311) 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 3 ways as a sum of consecutive naturals, for example, 4871528 + ... + 4914855.

It is an arithmetic number, because the mean of its divisors is an integer number (17417316924).

Almost surely, 2^212012201312 is an apocalyptic number.

It is an amenable number.

212012201312 is a deficient number, since it is larger than the sum of its proper divisors (206003404864).

212012201312 is an equidigital number, since it uses as much as digits as its factorization.

212012201312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9787070 (or 9787062 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212012201312 its reverse (213102210212), we get a palindrome (425114411524).

The spelling of 212012201312 in words is "two hundred twelve billion, twelve million, two hundred one thousand, three hundred twelve".