10012321321 has 2 divisors, whose sum is σ = 10012321322. Its totient is φ = 10012321320.

The previous prime is 10012321307. The next prime is 10012321373. The reversal of 10012321321 is 12312321001.

10012321321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9526736025 + 485585296 = 97605^2 + 22036^2 .

It is a cyclic number.

It is not a de Polignac number, because 10012321321 - 2⁹ = 10012320809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10012321295 and 10012321304.

It is not a weakly prime, because it can be changed into another prime (10012321391) 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 as a sum of consecutive naturals, namely, 5006160660 + 5006160661.

It is an arithmetic number, because the mean of its divisors is an integer number (5006160661).

Almost surely, 2^10012321321 is an apocalyptic number.

It is an amenable number.

10012321321 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012321321 is an equidigital number, since it uses as much as digits as its factorization.

10012321321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10012321321 its reverse (12312321001), we get a palindrome (22324642322).

The spelling of 10012321321 in words is "ten billion, twelve million, three hundred twenty-one thousand, three hundred twenty-one".