12102020121120 has 48 divisors (see below), whose sum is σ = 38121363383040. Its totient is φ = 3227205365504.

The previous prime is 12102020121049. The next prime is 12102020121179. The reversal of 12102020121120 is 2112102020121.

It is a tau number, because it is divible by the number of its divisors (48).

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 12102020121120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12606270480 + ... + 12606271439.

It is an arithmetic number, because the mean of its divisors is an integer number (794195070480).

Almost surely, 2^{12102020121120} is an apocalyptic number.

12102020121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102020121120 is an abundant number, since it is smaller than the sum of its proper divisors (26019343261920).

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

12102020121120 is a wasteful number, since it uses less digits than its factorization.

12102020121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25212541937 (or 25212541929 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12102020121120 its reverse (2112102020121), we get a palindrome (14214122141241).

The spelling of 12102020121120 in words is "twelve trillion, one hundred two billion, twenty million, one hundred twenty-one thousand, one hundred twenty".