65012223364312 has 128 divisors (see below), whose sum is σ = 145621150295040. Its totient is φ = 26604768453120.

The previous prime is 65012223364301. The next prime is 65012223364327. The reversal of 65012223364312 is 21346332221056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2372954998 + ... + 2372982394.

It is an arithmetic number, because the mean of its divisors is an integer number (1137665236680).

Almost surely, 2^{65012223364312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65012223364312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72810575147520).

65012223364312 is an abundant number, since it is smaller than the sum of its proper divisors (80608926930728).

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

65012223364312 is a wasteful number, since it uses less digits than its factorization.

65012223364312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30561 (or 30557 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

Adding to 65012223364312 its reverse (21346332221056), we get a palindrome (86358555585368).

The spelling of 65012223364312 in words is "sixty-five trillion, twelve billion, two hundred twenty-three million, three hundred sixty-four thousand, three hundred twelve".