12420401120 has 48 divisors (see below), whose sum is σ = 30618997920. Its totient is φ = 4752152064.

The previous prime is 12420401101. The next prime is 12420401167. The reversal of 12420401120 is 2110402421.

It is a congruent number.

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, 1683875 + ... + 1691234.

It is an arithmetic number, because the mean of its divisors is an integer number (637895790).

Almost surely, 2^12420401120 is an apocalyptic number.

12420401120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12420401120 is an abundant number, since it is smaller than the sum of its proper divisors (18198596800).

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

12420401120 is a wasteful number, since it uses less digits than its factorization.

12420401120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375147 (or 3375139 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12420401120 its reverse (2110402421), we get a palindrome (14530803541).

The spelling of 12420401120 in words is "twelve billion, four hundred twenty million, four hundred one thousand, one hundred twenty".