12104140321 has 32 divisors (see below), whose sum is σ = 15425625600. Its totient is φ = 9237957120.

The previous prime is 12104140313. The next prime is 12104140351. The reversal of 12104140321 is 12304140121.

It is not a de Polignac number, because 12104140321 - 2³ = 12104140313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12104140351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4957461 + ... + 4959901.

It is an arithmetic number, because the mean of its divisors is an integer number (482050800).

Almost surely, 2^12104140321 is an apocalyptic number.

It is an amenable number.

12104140321 is a deficient number, since it is larger than the sum of its proper divisors (3321485279).

12104140321 is a wasteful number, since it uses less digits than its factorization.

12104140321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12104140321 its reverse (12304140121), we get a palindrome (24408280442).

The spelling of 12104140321 in words is "twelve billion, one hundred four million, one hundred forty thousand, three hundred twenty-one".