12442300324420 has 48 divisors (see below), whose sum is σ = 26825732766000. Its totient is φ = 4844717588480.

The previous prime is 12442300324403. The next prime is 12442300324451. The reversal of 12442300324420 is 2442300324421.

It can be written as a sum of positive squares in 8 ways, for example, as 4329054487044 + 8113245837376 = 2080638^2 + 2848376^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16528855 + ... + 17265214.

It is an arithmetic number, because the mean of its divisors is an integer number (558869432625).

Almost surely, 2^{12442300324420} is an apocalyptic number.

12442300324420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12442300324420 is an abundant number, since it is smaller than the sum of its proper divisors (14383432441580).

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

12442300324420 is a wasteful number, since it uses less digits than its factorization.

12442300324420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33794568 (or 33794566 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 12442300324420 its reverse (2442300324421), we get a palindrome (14884600648841).

Subtracting from 12442300324420 its reverse (2442300324421), we obtain a palindrome (9999999999999).

The spelling of 12442300324420 in words is "twelve trillion, four hundred forty-two billion, three hundred million, three hundred twenty-four thousand, four hundred twenty".