10321040512 has 16 divisors (see below), whose sum is σ = 20561448150. Its totient is φ = 5160520192.

The previous prime is 10321040507. The next prime is 10321040533. The reversal of 10321040512 is 21504012301.

It can be written as a sum of positive squares in only one way, i.e., 10133240896 + 187799616 = 100664^2 + 13704^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 10321040512.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40316437 + ... + 40316692.

Almost surely, 2^10321040512 is an apocalyptic number.

It is an amenable number.

10321040512 is a deficient number, since it is larger than the sum of its proper divisors (10240407638).

10321040512 is an frugal number, since it uses more digits than its factorization.

10321040512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80633143 (or 80633131 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 10321040512 its reverse (21504012301), we get a palindrome (31825052813).

The spelling of 10321040512 in words is "ten billion, three hundred twenty-one million, forty thousand, five hundred twelve".