65023212 has 48 divisors (see below), whose sum is σ = 156304512. Its totient is φ = 21025920.

The previous prime is 65023207. The next prime is 65023243. The reversal of 65023212 is 21232056.

65023212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 139003 + ... + 139469.

It is an arithmetic number, because the mean of its divisors is an integer number (3256344).

Almost surely, 2^65023212 is an apocalyptic number.

It is an amenable number.

65023212 is an abundant number, since it is smaller than the sum of its proper divisors (91281300).

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

65023212 is a wasteful number, since it uses less digits than its factorization.

65023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 65023212 is about 8063.6971669328. The cubic root of 65023212 is about 402.1204312328.

Adding to 65023212 its reverse (21232056), we get a palindrome (86255268).

The spelling of 65023212 in words is "sixty-five million, twenty-three thousand, two hundred twelve".