12020110110 has 48 divisors (see below), whose sum is σ = 31480437456. Its totient is φ = 3181962624.

The previous prime is 12020110093. The next prime is 12020110121. The reversal of 12020110110 is 1101102021.

It is a happy number.

12020110110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12020110092 and 12020110101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 475104 + ... + 499763.

It is an arithmetic number, because the mean of its divisors is an integer number (655842447).

Almost surely, 2^12020110110 is an apocalyptic number.

12020110110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020110110 is an abundant number, since it is smaller than the sum of its proper divisors (19460327346).

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

12020110110 is a wasteful number, since it uses less digits than its factorization.

12020110110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975017 (or 975014 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12020110110 its reverse (1101102021), we get a palindrome (13121212131).

The spelling of 12020110110 in words is "twelve billion, twenty million, one hundred ten thousand, one hundred ten".