65212012 has 12 divisors (see below), whose sum is σ = 114179800. Its totient is φ = 32589216.

The previous prime is 65212001. The next prime is 65212013. The reversal of 65212012 is 21021256.

It is not an unprimeable number, because it can be changed into a prime (65212013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9523 + ... + 14869.

Almost surely, 2^65212012 is an apocalyptic number.

It is an amenable number.

65212012 is a deficient number, since it is larger than the sum of its proper divisors (48967788).

65212012 is a wasteful number, since it uses less digits than its factorization.

65212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8400 (or 8398 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 65212012 is about 8075.3954701922. The cubic root of 65212012 is about 402.5092512309.

Adding to 65212012 its reverse (21021256), we get a palindrome (86233268).

The spelling of 65212012 in words is "sixty-five million, two hundred twelve thousand, twelve".