12102102120112 has 20 divisors (see below), whose sum is σ = 23448018015520. Its totient is φ = 6051000696768.

The previous prime is 12102102120049. The next prime is 12102102120133. The reversal of 12102102120112 is 21102120120121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125912 + ... + 5046967.

It is an arithmetic number, because the mean of its divisors is an integer number (1172400900776).

Almost surely, 2^{12102102120112} is an apocalyptic number.

It is an amenable number.

12102102120112 is a deficient number, since it is larger than the sum of its proper divisors (11345915895408).

12102102120112 is a wasteful number, since it uses less digits than its factorization.

12102102120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6295420 (or 6295414 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12102102120112 its reverse (21102120120121), we get a palindrome (33204222240233).

Subtracting 12102102120112 from its reverse (21102120120121), we obtain a square (9000018000009 = 3000003²).

The spelling of 12102102120112 in words is "twelve trillion, one hundred two billion, one hundred two million, one hundred twenty thousand, one hundred twelve".