12324125420 has 96 divisors (see below), whose sum is σ = 28476403200. Its totient is φ = 4459428864.

The previous prime is 12324125419. The next prime is 12324125431. The reversal of 12324125420 is 2452142321.

It is a self number, because there is not a number n which added to its sum of digits gives 12324125420.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8276036 + ... + 8277524.

It is an arithmetic number, because the mean of its divisors is an integer number (296629200).

Almost surely, 2^12324125420 is an apocalyptic number.

12324125420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12324125420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14238201600).

12324125420 is an abundant number, since it is smaller than the sum of its proper divisors (16152277780).

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

12324125420 is a wasteful number, since it uses less digits than its factorization.

12324125420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487 (or 2485 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 12324125420 its reverse (2452142321), we get a palindrome (14776267741).

The spelling of 12324125420 in words is "twelve billion, three hundred twenty-four million, one hundred twenty-five thousand, four hundred twenty".