4328521212 has 48 divisors (see below), whose sum is σ = 10554711552. Its totient is φ = 1379293440.

The previous prime is 4328521189. The next prime is 4328521231. The reversal of 4328521212 is 2121258234.

It is a self number, because there is not a number n which added to its sum of digits gives 4328521212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64989 + ... + 113492.

It is an arithmetic number, because the mean of its divisors is an integer number (219889824).

Almost surely, 2^4328521212 is an apocalyptic number.

It is an amenable number.

4328521212 is an abundant number, since it is smaller than the sum of its proper divisors (6226190340).

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

4328521212 is a wasteful number, since it uses less digits than its factorization.

4328521212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178578 (or 178576 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 4328521212 is about 65791.4980221609. The cubic root of 4328521212 is about 1629.7207059074.

Adding to 4328521212 its reverse (2121258234), we get a palindrome (6449779446).

The spelling of 4328521212 in words is "four billion, three hundred twenty-eight million, five hundred twenty-one thousand, two hundred twelve".