12104220422440 has 64 divisors (see below), whose sum is σ = 28681309339200. Its totient is φ = 4584715458048.

The previous prime is 12104220422431. The next prime is 12104220422461. The reversal of 12104220422440 is 4422402240121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12104220422399 and 12104220422408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2102274 + ... + 5350513.

It is an arithmetic number, because the mean of its divisors is an integer number (448145458425).

Almost surely, 2^{12104220422440} is an apocalyptic number.

12104220422440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12104220422440 is an abundant number, since it is smaller than the sum of its proper divisors (16577088916760).

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

12104220422440 is a wasteful number, since it uses less digits than its factorization.

12104220422440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7454954 (or 7454950 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 12104220422440 its reverse (4422402240121), we get a palindrome (16526622662561).

The spelling of 12104220422440 in words is "twelve trillion, one hundred four billion, two hundred twenty million, four hundred twenty-two thousand, four hundred forty".