12421030124320 has 24 divisors (see below), whose sum is σ = 29344683669084. Its totient is φ = 4968412049664.

The previous prime is 12421030124311. The next prime is 12421030124329. The reversal of 12421030124320 is 2342103012421.

It is an interprime number because it is at equal distance from previous prime (12421030124311) and next prime (12421030124329).

It can be written as a sum of positive squares in 2 ways, for example, as 11318891294736 + 1102138829584 = 3364356^2 + 1049828^2 .

It is not an unprimeable number, because it can be changed into a prime (12421030124329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38815718979 + ... + 38815719298.

Almost surely, 2^{12421030124320} is an apocalyptic number.

12421030124320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12421030124320 is an abundant number, since it is smaller than the sum of its proper divisors (16923653544764).

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

12421030124320 is an equidigital number, since it uses as much as digits as its factorization.

12421030124320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77631438292 (or 77631438284 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12421030124320 its reverse (2342103012421), we get a palindrome (14763133136741).

The spelling of 12421030124320 in words is "twelve trillion, four hundred twenty-one billion, thirty million, one hundred twenty-four thousand, three hundred twenty".