12104555320 has 128 divisors (see below), whose sum is σ = 32127943680. Its totient is φ = 4046400000.

The previous prime is 12104555317. The next prime is 12104555327. The reversal of 12104555320 is 2355540121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12104555327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1431505 + ... + 1439935.

It is an arithmetic number, because the mean of its divisors is an integer number (250999560).

Almost surely, 2^12104555320 is an apocalyptic number.

12104555320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12104555320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16063971840).

12104555320 is an abundant number, since it is smaller than the sum of its proper divisors (20023388360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12104555320 is a wasteful number, since it uses less digits than its factorization.

12104555320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8717 (or 8713 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 12104555320 in words is "twelve billion, one hundred four million, five hundred fifty-five thousand, three hundred twenty".