12102100321 has 8 divisors (see below), whose sum is σ = 12351359520. Its totient is φ = 11854859808.

The previous prime is 12102100291. The next prime is 12102100327. The reversal of 12102100321 is 12300120121.

12102100321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12102100321 - 2²³ = 12093711713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102100327) 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 7 ways as a sum of consecutive naturals, for example, 492556 + ... + 516541.

It is an arithmetic number, because the mean of its divisors is an integer number (1543919940).

Almost surely, 2^12102100321 is an apocalyptic number.

It is an amenable number.

12102100321 is a deficient number, since it is larger than the sum of its proper divisors (249259199).

12102100321 is a wasteful number, since it uses less digits than its factorization.

12102100321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009343.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12102100321 its reverse (12300120121), we get a palindrome (24402220442).

The spelling of 12102100321 in words is "twelve billion, one hundred two million, one hundred thousand, three hundred twenty-one".