65212112 has 20 divisors (see below), whose sum is σ = 144398496. Its totient is φ = 27948000.

The previous prime is 65212109. The next prime is 65212117. The reversal of 65212112 is 21121256.

65212112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65212117) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 291014 + ... + 291237.

Almost surely, 2^65212112 is an apocalyptic number.

It is an amenable number.

65212112 is an abundant number, since it is smaller than the sum of its proper divisors (79186384).

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

65212112 is a wasteful number, since it uses less digits than its factorization.

65212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582266 (or 582260 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 65212112 is about 8075.4016618370. The cubic root of 65212112 is about 402.5094569747.

Adding to 65212112 its reverse (21121256), we get a palindrome (86333368).

The spelling of 65212112 in words is "sixty-five million, two hundred twelve thousand, one hundred twelve".