12012121110120 has 64 divisors (see below), whose sum is σ = 36066369061440. Its totient is φ = 3200565120000.

The previous prime is 12012121110113. The next prime is 12012121110179. The reversal of 12012121110120 is 2101112121021.

It is a happy number.

12012121110120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12012121110120.

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, 41529906 + ... + 41818145.

It is an arithmetic number, because the mean of its divisors is an integer number (563537016585).

Almost surely, 2^{12012121110120} is an apocalyptic number.

12012121110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012121110120 is an abundant number, since it is smaller than the sum of its proper divisors (24054247951320).

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

12012121110120 is a wasteful number, since it uses less digits than its factorization.

12012121110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83349266 (or 83349262 counting only the distinct ones).

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

Adding to 12012121110120 its reverse (2101112121021), we get a palindrome (14113233231141).

The spelling of 12012121110120 in words is "twelve trillion, twelve billion, one hundred twenty-one million, one hundred ten thousand, one hundred twenty".