12020112111120 has 80 divisors (see below), whose sum is σ = 37283200776000. Its totient is φ = 3203569403392.

The previous prime is 12020112111113. The next prime is 12020112111121. The reversal of 12020112111120 is 2111121102021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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 12020112111120.

It is not an unprimeable number, because it can be changed into a prime (12020112111121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13584495 + ... + 14442254.

It is an arithmetic number, because the mean of its divisors is an integer number (466040009700).

Almost surely, 2^{12020112111120} is an apocalyptic number.

12020112111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020112111120 is an abundant number, since it is smaller than the sum of its proper divisors (25263088664880).

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

12020112111120 is a wasteful number, since it uses less digits than its factorization.

12020112111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28028552 (or 28028546 counting only the distinct ones).

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

Adding to 12020112111120 its reverse (2111121102021), we get a palindrome (14131233213141).

The spelling of 12020112111120 in words is "twelve trillion, twenty billion, one hundred twelve million, one hundred eleven thousand, one hundred twenty".