12240312534400 has 48 divisors (see below), whose sum is σ = 30237397065540. Its totient is φ = 4896125012480.

The previous prime is 12240312534391. The next prime is 12240312534403. The reversal of 12240312534400 is 443521304221.

It is a super-3 number, since 3×12240312534400³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12240312534403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1912545634 + ... + 1912552033.

Almost surely, 2^{12240312534400} is an apocalyptic number.

12240312534400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12240312534400 is an abundant number, since it is smaller than the sum of its proper divisors (17997084531140).

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

12240312534400 is an equidigital number, since it uses as much as digits as its factorization.

12240312534400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825097691 (or 3825097674 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 12240312534400 its reverse (443521304221), we get a palindrome (12683833838621).

The spelling of 12240312534400 in words is "twelve trillion, two hundred forty billion, three hundred twelve million, five hundred thirty-four thousand, four hundred".