12100303321321 has 4 divisors (see below), whose sum is σ = 12812085869652. Its totient is φ = 11388520772992.

The previous prime is 12100303321319. The next prime is 12100303321363. The reversal of 12100303321321 is 12312330300121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7669930847296 + 4430372474025 = 2769464^2 + 2104845^2 .

It is a cyclic number.

It is not a de Polignac number, because 12100303321321 - 2¹ = 12100303321319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100303321292 and 12100303321301.

It is not an unprimeable number, because it can be changed into a prime (12100303321391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355891274140 + ... + 355891274173.

It is an arithmetic number, because the mean of its divisors is an integer number (3203021467413).

Almost surely, 2^{12100303321321} is an apocalyptic number.

It is an amenable number.

12100303321321 is a deficient number, since it is larger than the sum of its proper divisors (711782548331).

12100303321321 is an equidigital number, since it uses as much as digits as its factorization.

12100303321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711782548330.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12100303321321 its reverse (12312330300121), we get a palindrome (24412633621442).

The spelling of 12100303321321 in words is "twelve trillion, one hundred billion, three hundred three million, three hundred twenty-one thousand, three hundred twenty-one".