12102102101112 has 64 divisors (see below), whose sum is σ = 30630898721280. Its totient is φ = 3984158247552.

The previous prime is 12102102101107. The next prime is 12102102101161. The reversal of 12102102101112 is 21110120120121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12102102101091 and 12102102101100.

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, 5640508 + ... + 7484619.

It is an arithmetic number, because the mean of its divisors is an integer number (478607792520).

Almost surely, 2^{12102102101112} is an apocalyptic number.

12102102101112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12102102101112 is an abundant number, since it is smaller than the sum of its proper divisors (18528796620168).

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

12102102101112 is a wasteful number, since it uses less digits than its factorization.

12102102101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13125612 (or 13125608 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12102102101112 its reverse (21110120120121), we get a palindrome (33212222221233).

The spelling of 12102102101112 in words is "twelve trillion, one hundred two billion, one hundred two million, one hundred one thousand, one hundred twelve".