65018012 has 6 divisors (see below), whose sum is σ = 113781528. Its totient is φ = 32509004.

The previous prime is 65017993. The next prime is 65018017. The reversal of 65018012 is 21081056.

It is a super-3 number, since 3×65018012³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65018017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8127248 + ... + 8127255.

It is an arithmetic number, because the mean of its divisors is an integer number (18963588).

Almost surely, 2^65018012 is an apocalyptic number.

It is an amenable number.

65018012 is a deficient number, since it is larger than the sum of its proper divisors (48763516).

65018012 is a wasteful number, since it uses less digits than its factorization.

65018012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16254507 (or 16254505 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 65018012 is about 8063.3747277427. The cubic root of 65018012 is about 402.1097115635.

Adding to 65018012 its reverse (21081056), we get a palindrome (86099068).

The spelling of 65018012 in words is "sixty-five million, eighteen thousand, twelve".