212108144704 has 63 divisors (see below), whose sum is σ = 440173705503. Its totient is φ = 101402497152.

The previous prime is 212108144669. The next prime is 212108144719. The reversal of 212108144704 is 407441801212.

The square root of 212108144704 is 460552.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212108144704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 84740317 + ... + 84742819.

Almost surely, 2^212108144704 is an apocalyptic number.

212108144704 is the 460552-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212108144704

212108144704 is an abundant number, since it is smaller than the sum of its proper divisors (228065560799).

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

212108144704 is an frugal number, since it uses more digits than its factorization.

212108144704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5064 (or 2528 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

Adding to 212108144704 its reverse (407441801212), we get a palindrome (619549945916).

The spelling of 212108144704 in words is "two hundred twelve billion, one hundred eight million, one hundred forty-four thousand, seven hundred four".