12100020121112 has 64 divisors (see below), whose sum is σ = 28749462416640. Its totient is φ = 4637010038400.

The previous prime is 12100020121037. The next prime is 12100020121237. The reversal of 12100020121112 is 21112102000121.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 160969718 + ... + 161044869.

It is an arithmetic number, because the mean of its divisors is an integer number (449210350260).

Almost surely, 2^{12100020121112} is an apocalyptic number.

It is an amenable number.

12100020121112 is an abundant number, since it is smaller than the sum of its proper divisors (16649442295528).

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

12100020121112 is a wasteful number, since it uses less digits than its factorization.

12100020121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322014672 (or 322014668 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12100020121112 its reverse (21112102000121), we get a palindrome (33212122121233).

The spelling of 12100020121112 in words is "twelve trillion, one hundred billion, twenty million, one hundred twenty-one thousand, one hundred twelve".