212030220312 has 96 divisors (see below), whose sum is σ = 580183344000. Its totient is φ = 69946905600.

The previous prime is 212030220289. The next prime is 212030220329. The reversal of 212030220312 is 213022030212.

212030220312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 22458489 + ... + 22467927.

It is an arithmetic number, because the mean of its divisors is an integer number (6043576500).

Almost surely, 2^212030220312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212030220312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290091672000).

212030220312 is an abundant number, since it is smaller than the sum of its proper divisors (368153123688).

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

212030220312 is a wasteful number, since it uses less digits than its factorization.

212030220312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12641 (or 12634 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212030220312 its reverse (213022030212), we get a palindrome (425052250524).

The spelling of 212030220312 in words is "two hundred twelve billion, thirty million, two hundred twenty thousand, three hundred twelve".