12104243300400 has 120 divisors (see below), whose sum is σ = 38775803290944. Its totient is φ = 3227641939200.

The previous prime is 12104243300399. The next prime is 12104243300407. The reversal of 12104243300400 is 400334240121.

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 (24).

It is not an unprimeable number, because it can be changed into a prime (12104243300407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25699827 + ... + 26166573.

Almost surely, 2^{12104243300400} is an apocalyptic number.

12104243300400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12104243300400 is an abundant number, since it is smaller than the sum of its proper divisors (26671559990544).

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

12104243300400 is a wasteful number, since it uses less digits than its factorization.

12104243300400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488379 (or 488368 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12104243300400 its reverse (400334240121), we get a palindrome (12504577540521).

The spelling of 12104243300400 in words is "twelve trillion, one hundred four billion, two hundred forty-three million, three hundred thousand, four hundred".