65103012 has 36 divisors (see below), whose sum is σ = 177226140. Its totient is φ = 20031552.

The previous prime is 65103011. The next prime is 65103023. The reversal of 65103012 is 21030156.

65103012 is a `hidden beast` number, since 651 + 0 + 3 + 0 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 37161216 + 27941796 = 6096^2 + 5286^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (65103011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69087 + ... + 70022.

Almost surely, 2^65103012 is an apocalyptic number.

It is an amenable number.

65103012 is an abundant number, since it is smaller than the sum of its proper divisors (112123128).

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

65103012 is a wasteful number, since it uses less digits than its factorization.

65103012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139132 (or 139127 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 65103012 is about 8068.6437522052. The cubic root of 65103012 is about 402.2848652923.

Adding to 65103012 its reverse (21030156), we get a palindrome (86133168).

The spelling of 65103012 in words is "sixty-five million, one hundred three thousand, twelve".