65233212 has 24 divisors (see below), whose sum is σ = 166048512. Its totient is φ = 19767600.

The previous prime is 65233177. The next prime is 65233219. The reversal of 65233212 is 21233256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65233219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246964 + ... + 247227.

It is an arithmetic number, because the mean of its divisors is an integer number (6918688).

Almost surely, 2^65233212 is an apocalyptic number.

It is an amenable number.

65233212 is an abundant number, since it is smaller than the sum of its proper divisors (100815300).

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

65233212 is a wasteful number, since it uses less digits than its factorization.

65233212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494209 (or 494207 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 65233212 is about 8076.7079927406. The cubic root of 65233212 is about 402.5528642163.

Adding to 65233212 its reverse (21233256), we get a palindrome (86466468).

The spelling of 65233212 in words is "sixty-five million, two hundred thirty-three thousand, two hundred twelve".