12102102220120 has 64 divisors (see below), whose sum is σ = 29950657316640. Its totient is φ = 4400764424320.

The previous prime is 12102102220093. The next prime is 12102102220139. The reversal of 12102102220120 is 2102220120121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12102102220094 and 12102102220103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113602867 + ... + 113709346.

Almost surely, 2^{12102102220120} is an apocalyptic number.

12102102220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102102220120 is an abundant number, since it is smaller than the sum of its proper divisors (17848555096520).

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

12102102220120 is a wasteful number, since it uses less digits than its factorization.

12102102220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227312257 (or 227312231 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12102102220120 its reverse (2102220120121), we get a palindrome (14204322340241).

The spelling of 12102102220120 in words is "twelve trillion, one hundred two billion, one hundred two million, two hundred twenty thousand, one hundred twenty".