212103030304 has 192 divisors, whose sum is σ = 480827031552. Its totient is φ = 91248102400.

The previous prime is 212103030289. The next prime is 212103030383. The reversal of 212103030304 is 403030301212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62253369 + ... + 62256775.

It is an arithmetic number, because the mean of its divisors is an integer number (2504307456).

Almost surely, 2^212103030304 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 212103030304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240413515776).

212103030304 is an abundant number, since it is smaller than the sum of its proper divisors (268724001248).

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

212103030304 is a wasteful number, since it uses less digits than its factorization.

212103030304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599 (or 3591 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212103030304 its reverse (403030301212), we get a palindrome (615133331516).

The spelling of 212103030304 in words is "two hundred twelve billion, one hundred three million, thirty thousand, three hundred four".