65012221041352 has 32 divisors (see below), whose sum is σ = 133426721002680. Its totient is φ = 29513744732160.

The previous prime is 65012221041329. The next prime is 65012221041353. The reversal of 65012221041352 is 25314012221056.

It is a happy number.

65012221041352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 47204951983396 + 17807269057956 = 6870586^2 + 4219866^2 .

It is a super-2 number, since 2×65012221041352² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65012221041353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5123907673 + ... + 5123920360.

Almost surely, 2^{65012221041352} is an apocalyptic number.

It is an amenable number.

65012221041352 is an abundant number, since it is smaller than the sum of its proper divisors (68414499961328).

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

65012221041352 is a wasteful number, since it uses less digits than its factorization.

65012221041352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10247828113 (or 10247828109 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 65012221041352 in words is "sixty-five trillion, twelve billion, two hundred twenty-one million, forty-one thousand, three hundred fifty-two".