12100023321 has 16 divisors (see below), whose sum is σ = 16378657344. Its totient is φ = 7944102144.

The previous prime is 12100023293. The next prime is 12100023337. The reversal of 12100023321 is 12332000121.

12100023321 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 12100023321 - 2⁷ = 12100023193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12100023321.

It is not an unprimeable number, because it can be changed into a prime (12100023121) 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 15 ways as a sum of consecutive naturals, for example, 1083261 + ... + 1094373.

It is an arithmetic number, because the mean of its divisors is an integer number (1023666084).

Almost surely, 2^12100023321 is an apocalyptic number.

It is an amenable number.

12100023321 is a deficient number, since it is larger than the sum of its proper divisors (4278634023).

12100023321 is a wasteful number, since it uses less digits than its factorization.

12100023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16600.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12100023321 its reverse (12332000121), we get a palindrome (24432023442).

The spelling of 12100023321 in words is "twelve billion, one hundred million, twenty-three thousand, three hundred twenty-one".