12104305553 has 4 divisors (see below), whose sum is σ = 12137287680. Its totient is φ = 12071323428.

The previous prime is 12104305529. The next prime is 12104305561. The reversal of 12104305553 is 35550340121.

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 12104305553 - 2¹² = 12104301457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12104305523) 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, 16490513 + ... + 16491246.

It is an arithmetic number, because the mean of its divisors is an integer number (3034321920).

Almost surely, 2^12104305553 is an apocalyptic number.

It is an amenable number.

12104305553 is a deficient number, since it is larger than the sum of its proper divisors (32982127).

12104305553 is an equidigital number, since it uses as much as digits as its factorization.

12104305553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32982126.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 12104305553 its reverse (35550340121), we get a palindrome (47654645674).

The spelling of 12104305553 in words is "twelve billion, one hundred four million, three hundred five thousand, five hundred fifty-three".