12103425420 has 48 divisors (see below), whose sum is σ = 33935328000. Its totient is φ = 3223224256.

The previous prime is 12103425403. The next prime is 12103425431. The reversal of 12103425420 is 2452430121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91170 + ... + 180329.

It is an arithmetic number, because the mean of its divisors is an integer number (706986000).

Almost surely, 2^12103425420 is an apocalyptic number.

12103425420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103425420 is an abundant number, since it is smaller than the sum of its proper divisors (21831902580).

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

12103425420 is a wasteful number, since it uses less digits than its factorization.

12103425420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272254 (or 272252 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 12103425420 its reverse (2452430121), we get a palindrome (14555855541).

The spelling of 12103425420 in words is "twelve billion, one hundred three million, four hundred twenty-five thousand, four hundred twenty".