12243130400000 has 108 divisors (see below), whose sum is σ = 30546092010924. Its totient is φ = 4897251840000.

The previous prime is 12243130399987. The next prime is 12243130400089. The reversal of 12243130400000 is 403134221.

It can be written as a sum of positive squares in 6 ways, for example, as 5697883576576 + 6545246823424 = 2387024^2 + 2558368^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 6851957 + ... + 8451956.

Almost surely, 2^{12243130400000} is an apocalyptic number.

12243130400000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12243130400000 is an abundant number, since it is smaller than the sum of its proper divisors (18302961610924).

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

12243130400000 is an frugal number, since it uses more digits than its factorization.

12243130400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15303954 (or 15303920 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12243130400000 its reverse (403134221), we get a palindrome (12243533534221).

The spelling of 12243130400000 in words is "twelve trillion, two hundred forty-three billion, one hundred thirty million, four hundred thousand".