12104440340120 has 128 divisors (see below), whose sum is σ = 28952380800000. Its totient is φ = 4538750164992.

The previous prime is 12104440340089. The next prime is 12104440340141. The reversal of 12104440340120 is 2104304440121.

It is a super-2 number, since 2×12104440340120² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12104440340120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 877826186 + ... + 877839974.

It is an arithmetic number, because the mean of its divisors is an integer number (226190475000).

Almost surely, 2^{12104440340120} is an apocalyptic number.

12104440340120 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 12104440340120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14476190400000).

12104440340120 is an abundant number, since it is smaller than the sum of its proper divisors (16847940459880).

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

12104440340120 is a wasteful number, since it uses less digits than its factorization.

12104440340120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18885 (or 18881 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 12104440340120 its reverse (2104304440121), we get a palindrome (14208744780241).

The spelling of 12104440340120 in words is "twelve trillion, one hundred four billion, four hundred forty million, three hundred forty thousand, one hundred twenty".