12421110120 has 32 divisors (see below), whose sum is σ = 37263330720. Its totient is φ = 3312296000.

The previous prime is 12421110113. The next prime is 12421110173. The reversal of 12421110120 is 2101112421.

It is a super-2 number, since 2×12421110120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12421110120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51754506 + ... + 51754745.

It is an arithmetic number, because the mean of its divisors is an integer number (1164479085).

Almost surely, 2^12421110120 is an apocalyptic number.

12421110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12421110120 is an abundant number, since it is smaller than the sum of its proper divisors (24842220600).

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

12421110120 is a wasteful number, since it uses less digits than its factorization.

12421110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103509265 (or 103509261 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12421110120 its reverse (2101112421), we get a palindrome (14522222541).

The spelling of 12421110120 in words is "twelve billion, four hundred twenty-one million, one hundred ten thousand, one hundred twenty".