12104020110240 has 120 divisors (see below), whose sum is σ = 42717104351460. Its totient is φ = 3227738692608.

The previous prime is 12104020110139. The next prime is 12104020110241. The reversal of 12104020110240 is 4201102040121.

12104020110240 is a `hidden beast` number, since 1 + 2 + 10 + 402 + 0 + 1 + 10 + 240 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12103969813776 + 50296464 = 3479076^2 + 7092^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12104020110241) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 466963125 + ... + 466989044.

Almost surely, 2^{12104020110240} is an apocalyptic number.

12104020110240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12104020110240 is an abundant number, since it is smaller than the sum of its proper divisors (30613084241220).

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

12104020110240 is an equidigital number, since it uses as much as digits as its factorization.

12104020110240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933952196 (or 933952179 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12104020110240 its reverse (4201102040121), we get a palindrome (16305122150361).

The spelling of 12104020110240 in words is "twelve trillion, one hundred four billion, twenty million, one hundred ten thousand, two hundred forty".