121002010112112 has 40 divisors (see below), whose sum is σ = 314658648831360. Its totient is φ = 40066890763200.

The previous prime is 121002010112111. The next prime is 121002010112117. The reversal of 121002010112112 is 211211010200121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121002010112091 and 121002010112100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002010112111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8347261662 + ... + 8347276157.

It is an arithmetic number, because the mean of its divisors is an integer number (7866466220784).

Almost surely, 2^{121002010112112} is an apocalyptic number.

121002010112112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121002010112112 is an abundant number, since it is smaller than the sum of its proper divisors (193656638719248).

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

121002010112112 is a wasteful number, since it uses less digits than its factorization.

121002010112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16694537981 (or 16694537975 counting only the distinct ones).

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

Adding to 121002010112112 its reverse (211211010200121), we get a palindrome (332213020312233).

The spelling of 121002010112112 in words is "one hundred twenty-one trillion, two billion, ten million, one hundred twelve thousand, one hundred twelve".