12102010121112 has 64 divisors (see below), whose sum is σ = 30329235216000. Its totient is φ = 4024109996544.

The previous prime is 12102010121017. The next prime is 12102010121129. The reversal of 12102010121112 is 21112101020121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12102010121091 and 12102010121100.

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, 204801123 + ... + 204860205.

It is an arithmetic number, because the mean of its divisors is an integer number (473894300250).

Almost surely, 2^{12102010121112} is an apocalyptic number.

12102010121112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12102010121112 is an abundant number, since it is smaller than the sum of its proper divisors (18227225094888).

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

12102010121112 is a wasteful number, since it uses less digits than its factorization.

12102010121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79880 (or 79876 counting only the distinct ones).

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

Adding to 12102010121112 its reverse (21112101020121), we get a palindrome (33214111141233).

The spelling of 12102010121112 in words is "twelve trillion, one hundred two billion, ten million, one hundred twenty-one thousand, one hundred twelve".