12032101321 has 4 divisors (see below), whose sum is σ = 12032948500. Its totient is φ = 12031254144.

The previous prime is 12032101307. The next prime is 12032101327. The reversal of 12032101321 is 12310123021.

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 8512645696 + 3519455625 = 92264^2 + 59325^2 .

It is a cyclic number.

It is not a de Polignac number, because 12032101321 - 2¹⁵ = 12032068553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12032101295 and 12032101304.

It is not an unprimeable number, because it can be changed into a prime (12032101327) 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, 401916 + ... + 430813.

It is an arithmetic number, because the mean of its divisors is an integer number (3008237125).

Almost surely, 2^12032101321 is an apocalyptic number.

It is an amenable number.

12032101321 is a deficient number, since it is larger than the sum of its proper divisors (847179).

12032101321 is an equidigital number, since it uses as much as digits as its factorization.

12032101321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847178.

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

Adding to 12032101321 its reverse (12310123021), we get a palindrome (24342224342).

The spelling of 12032101321 in words is "twelve billion, thirty-two million, one hundred one thousand, three hundred twenty-one".