12366112420 has 24 divisors (see below), whose sum is σ = 25970931000. Its totient is φ = 4946045952.

The previous prime is 12366112411. The next prime is 12366112441. The reversal of 12366112420 is 2421166321.

It can be written as a sum of positive squares in 4 ways, for example, as 2290771044 + 10075341376 = 47862^2 + 100376^2 .

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, 447156 + ... + 474004.

It is an arithmetic number, because the mean of its divisors is an integer number (1082122125).

Almost surely, 2^12366112420 is an apocalyptic number.

12366112420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12366112420 is an abundant number, since it is smaller than the sum of its proper divisors (13604818580).

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

12366112420 is a wasteful number, since it uses less digits than its factorization.

12366112420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49887 (or 49885 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 12366112420 its reverse (2421166321), we get a palindrome (14787278741).

The spelling of 12366112420 in words is "twelve billion, three hundred sixty-six million, one hundred twelve thousand, four hundred twenty".