12231100321 has 8 divisors (see below), whose sum is σ = 13343853600. Its totient is φ = 11118486240.

The previous prime is 12231100309. The next prime is 12231100339. The reversal of 12231100321 is 12300113221.

12231100321 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 12231100321 - 2¹⁷ = 12230969249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12231100295 and 12231100304.

It is not an unprimeable number, because it can be changed into a prime (12231100351) 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, 251085 + ... + 295813.

It is an arithmetic number, because the mean of its divisors is an integer number (1667981700).

Almost surely, 2^12231100321 is an apocalyptic number.

12231100321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12231100321 is a deficient number, since it is larger than the sum of its proper divisors (1112753279).

12231100321 is a wasteful number, since it uses less digits than its factorization.

12231100321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69599.

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

Adding to 12231100321 its reverse (12300113221), we get a palindrome (24531213542).

The spelling of 12231100321 in words is "twelve billion, two hundred thirty-one million, one hundred thousand, three hundred twenty-one".