12321130101 has 16 divisors (see below), whose sum is σ = 18794502144. Its totient is φ = 7033353264.

The previous prime is 12321130099. The next prime is 12321130117. The reversal of 12321130101 is 10103112321.

It is a happy number.

It is not a de Polignac number, because 12321130101 - 2¹ = 12321130099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321130901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283065 + ... + 323678.

It is an arithmetic number, because the mean of its divisors is an integer number (1174656384).

Almost surely, 2^12321130101 is an apocalyptic number.

It is an amenable number.

12321130101 is a deficient number, since it is larger than the sum of its proper divisors (6473372043).

12321130101 is an equidigital number, since it uses as much as digits as its factorization.

12321130101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607720.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12321130101 its reverse (10103112321), we get a palindrome (22424242422).

The spelling of 12321130101 in words is "twelve billion, three hundred twenty-one million, one hundred thirty thousand, one hundred one".