12104412221040 has 80 divisors (see below), whose sum is σ = 37533031401888. Its totient is φ = 3227038655488.

The previous prime is 12104412221003. The next prime is 12104412221071. The reversal of 12104412221040 is 4012221440121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12104412221040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5320839 + ... + 7247078.

Almost surely, 2^{12104412221040} is an apocalyptic number.

12104412221040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12104412221040 is an abundant number, since it is smaller than the sum of its proper divisors (25428619180848).

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

12104412221040 is a wasteful number, since it uses less digits than its factorization.

12104412221040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12571946 (or 12571940 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 12104412221040 its reverse (4012221440121), we get a palindrome (16116633661161).

The spelling of 12104412221040 in words is "twelve trillion, one hundred four billion, four hundred twelve million, two hundred twenty-one thousand, forty".