65101812 has 24 divisors (see below), whose sum is σ = 152541312. Its totient is φ = 21609600.

The previous prime is 65101811. The next prime is 65101819. The reversal of 65101812 is 21810156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65101811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8364 + ... + 14147.

It is an arithmetic number, because the mean of its divisors is an integer number (6355888).

Almost surely, 2^65101812 is an apocalyptic number.

It is an amenable number.

65101812 is an abundant number, since it is smaller than the sum of its proper divisors (87439500).

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

65101812 is a wasteful number, since it uses less digits than its factorization.

65101812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22759 (or 22757 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 65101812 is about 8068.5693899229. The cubic root of 65101812 is about 402.2823935951.

Adding to 65101812 its reverse (21810156), we get a palindrome (86911968).

The spelling of 65101812 in words is "sixty-five million, one hundred one thousand, eight hundred twelve".