12021210110 has 32 divisors (see below), whose sum is σ = 26631605952. Its totient is φ = 3804514560.

The previous prime is 12021210059. The next prime is 12021210167. The reversal of 12021210110 is 1101212021.

It is a junction number, because it is equal to n+sod(n) for n = 12021210091 and 12021210100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6604151 + ... + 6605970.

It is an arithmetic number, because the mean of its divisors is an integer number (832237686).

Almost surely, 2^12021210110 is an apocalyptic number.

12021210110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021210110 is an abundant number, since it is smaller than the sum of its proper divisors (14610395842).

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

12021210110 is a wasteful number, since it uses less digits than its factorization.

12021210110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13210148.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12021210110 its reverse (1101212021), we get a palindrome (13122422131).

The spelling of 12021210110 in words is "twelve billion, twenty-one million, two hundred ten thousand, one hundred ten".