12104122231440 has 60 divisors (see below), whose sum is σ = 40649677163004. Its totient is φ = 3227765928192.

The previous prime is 12104122231429. The next prime is 12104122231463. The reversal of 12104122231440 is 4413222140121.

12104122231440 is a `hidden beast` number, since 1 + 2 + 10 + 412 + 2 + 231 + 4 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1656307224576 + 10447815006864 = 1286976^2 + 3232308^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8405639719 + ... + 8405641158.

Almost surely, 2^{12104122231440} is an apocalyptic number.

12104122231440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12104122231440 is an abundant number, since it is smaller than the sum of its proper divisors (28545554931564).

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

12104122231440 is a wasteful number, since it uses less digits than its factorization.

12104122231440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16811280896 (or 16811280887 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 12104122231440 its reverse (4413222140121), we get a palindrome (16517344371561).

The spelling of 12104122231440 in words is "twelve trillion, one hundred four billion, one hundred twenty-two million, two hundred thirty-one thousand, four hundred forty".