12240425020 has 96 divisors (see below), whose sum is σ = 26829766656. Its totient is φ = 4685817600.

The previous prime is 12240424997. The next prime is 12240425033. The reversal of 12240425020 is 2052404221.

It is a junction number, because it is equal to n+sod(n) for n = 12240424982 and 12240425000.

It is a congruent number.

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, 44189122 + ... + 44189398.

It is an arithmetic number, because the mean of its divisors is an integer number (279476736).

Almost surely, 2^12240425020 is an apocalyptic number.

12240425020 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 12240425020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13414883328).

12240425020 is an abundant number, since it is smaller than the sum of its proper divisors (14589341636).

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

12240425020 is a wasteful number, since it uses less digits than its factorization.

12240425020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 12240425020 its reverse (2052404221), we get a palindrome (14292829241).

The spelling of 12240425020 in words is "twelve billion, two hundred forty million, four hundred twenty-five thousand, twenty".