12104425321 has 4 divisors (see below), whose sum is σ = 12129696000. Its totient is φ = 12079154644.

The previous prime is 12104425313. The next prime is 12104425373. The reversal of 12104425321 is 12352440121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12104425321 - 2³ = 12104425313 is a prime.

It is a super-2 number, since 2×12104425321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12104425381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12634621 + ... + 12635578.

It is an arithmetic number, because the mean of its divisors is an integer number (3032424000).

Almost surely, 2^12104425321 is an apocalyptic number.

It is an amenable number.

12104425321 is a deficient number, since it is larger than the sum of its proper divisors (25270679).

12104425321 is an equidigital number, since it uses as much as digits as its factorization.

12104425321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25270678.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 12104425321 its reverse (12352440121), we get a palindrome (24456865442).

The spelling of 12104425321 in words is "twelve billion, one hundred four million, four hundred twenty-five thousand, three hundred twenty-one".