12043321101 has 24 divisors (see below), whose sum is σ = 21050512704. Its totient is φ = 6477079680.

The previous prime is 12043321093. The next prime is 12043321117. The reversal of 12043321101 is 10112334021.

12043321101 is a `hidden beast` number, since 1 + 20 + 433 + 211 + 0 + 1 = 666.

It is not a de Polignac number, because 12043321101 - 2³ = 12043321093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12043321141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5621395 + ... + 5623536.

It is an arithmetic number, because the mean of its divisors is an integer number (877104696).

Almost surely, 2^12043321101 is an apocalyptic number.

It is an amenable number.

12043321101 is a deficient number, since it is larger than the sum of its proper divisors (9007191603).

12043321101 is a wasteful number, since it uses less digits than its factorization.

12043321101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11244961 (or 11244958 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12043321101 its reverse (10112334021), we get a palindrome (22155655122).

The spelling of 12043321101 in words is "twelve billion, forty-three million, three hundred twenty-one thousand, one hundred one".