4321305212 has 12 divisors (see below), whose sum is σ = 8642610480. Its totient is φ = 1851987936.

The previous prime is 4321305203. The next prime is 4321305257. The reversal of 4321305212 is 2125031234.

4321305212 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77166137 + ... + 77166192.

It is an arithmetic number, because the mean of its divisors is an integer number (720217540).

Almost surely, 2^4321305212 is an apocalyptic number.

It is an amenable number.

4321305212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4321305212 is a wasteful number, since it uses less digits than its factorization.

4321305212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154332340 (or 154332338 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4321305212 is about 65736.6352348521. The cubic root of 4321305212 is about 1628.8145761467.

Adding to 4321305212 its reverse (2125031234), we get a palindrome (6446336446).

The spelling of 4321305212 in words is "four billion, three hundred twenty-one million, three hundred five thousand, two hundred twelve".