65215112 has 16 divisors (see below), whose sum is σ = 122481600. Its totient is φ = 32553360.

The previous prime is 65215099. The next prime is 65215121. The reversal of 65215112 is 21151256.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412 + ... + 11507.

It is an arithmetic number, because the mean of its divisors is an integer number (7655100).

Almost surely, 2^65215112 is an apocalyptic number.

It is an amenable number.

65215112 is a deficient number, since it is larger than the sum of its proper divisors (57266488).

65215112 is a wasteful number, since it uses less digits than its factorization.

65215112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13556 (or 13552 counting only the distinct ones).

The product of its digits is 600, while the sum is 23.

The square root of 65215112 is about 8075.5874089753. The cubic root of 65215112 is about 402.5156291913.

Adding to 65215112 its reverse (21151256), we get a palindrome (86366368).

The spelling of 65215112 in words is "sixty-five million, two hundred fifteen thousand, one hundred twelve".