12420110 has 32 divisors (see below), whose sum is σ = 23760000. Its totient is φ = 4661280.

The previous prime is 12420097. The next prime is 12420131. The reversal of 12420110 is 1102421.

It is a junction number, because it is equal to n+sod(n) for n = 12420091 and 12420100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24641 + ... + 25139.

It is an arithmetic number, because the mean of its divisors is an integer number (742500).

Almost surely, 2^12420110 is an apocalyptic number.

12420110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12420110 is a deficient number, since it is larger than the sum of its proper divisors (11339890).

12420110 is a wasteful number, since it uses less digits than its factorization.

12420110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 12420110 is about 3524.2176436764. The cubic root of 12420110 is about 231.5839625654.

Adding to 12420110 its reverse (1102421), we get a palindrome (13522531).

The spelling of 12420110 in words is "twelve million, four hundred twenty thousand, one hundred ten".