12102301321 has 32 divisors (see below), whose sum is σ = 13871249280. Its totient is φ = 10462003200.

The previous prime is 12102301291. The next prime is 12102301349. The reversal of 12102301321 is 12310320121.

12102301321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12102301321 - 2⁹ = 12102300809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102301295 and 12102301304.

It is not an unprimeable number, because it can be changed into a prime (12102302321) 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 in 31 ways as a sum of consecutive naturals, for example, 2928985 + ... + 2933113.

It is an arithmetic number, because the mean of its divisors is an integer number (433476540).

Almost surely, 2^12102301321 is an apocalyptic number.

12102301321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12102301321 is a deficient number, since it is larger than the sum of its proper divisors (1768947959).

12102301321 is a wasteful number, since it uses less digits than its factorization.

12102301321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345.

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

Adding to 12102301321 its reverse (12310320121), we get a palindrome (24412621442).

The spelling of 12102301321 in words is "twelve billion, one hundred two million, three hundred one thousand, three hundred twenty-one".