212001012304 has 80 divisors (see below), whose sum is σ = 438709063680. Its totient is φ = 98959259520.

The previous prime is 212001012287. The next prime is 212001012319. The reversal of 212001012304 is 403210100212.

212001012304 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 (16).

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 15 ways as a sum of consecutive naturals, for example, 6195787 + ... + 6229909.

It is an arithmetic number, because the mean of its divisors is an integer number (5483863296).

Almost surely, 2^212001012304 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 212001012304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219354531840).

212001012304 is an abundant number, since it is smaller than the sum of its proper divisors (226708051376).

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

212001012304 is a wasteful number, since it uses less digits than its factorization.

212001012304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34448 (or 34442 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212001012304 its reverse (403210100212), we get a palindrome (615211112516).

The spelling of 212001012304 in words is "two hundred twelve billion, one million, twelve thousand, three hundred four".