12102103220 has 48 divisors (see below), whose sum is σ = 25900573440. Its totient is φ = 4749024384.

The previous prime is 12102103217. The next prime is 12102103231. The reversal of 12102103220 is 2230120121.

It is a happy number.

12102103220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12102103195 and 12102103204.

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 15 ways as a sum of consecutive naturals, for example, 223667 + ... + 272453.

It is an arithmetic number, because the mean of its divisors is an integer number (539595280).

Almost surely, 2^12102103220 is an apocalyptic number.

12102103220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102103220 is an abundant number, since it is smaller than the sum of its proper divisors (13798470220).

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

12102103220 is a wasteful number, since it uses less digits than its factorization.

12102103220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49032 (or 49030 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12102103220 its reverse (2230120121), we get a palindrome (14332223341).

The spelling of 12102103220 in words is "twelve billion, one hundred two million, one hundred three thousand, two hundred twenty".