12120112211120 has 80 divisors (see below), whose sum is σ = 28497460733280. Its totient is φ = 4793306867712.

The previous prime is 12120112211117. The next prime is 12120112211183. The reversal of 12120112211120 is 2111221102121.

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

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, 173102039 + ... + 173172041.

It is an arithmetic number, because the mean of its divisors is an integer number (356218259166).

Almost surely, 2^{12120112211120} is an apocalyptic number.

12120112211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12120112211120 is an abundant number, since it is smaller than the sum of its proper divisors (16377348522160).

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

12120112211120 is a wasteful number, since it uses less digits than its factorization.

12120112211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94422 (or 94416 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12120112211120 its reverse (2111221102121), we get a palindrome (14231333313241).

The spelling of 12120112211120 in words is "twelve trillion, one hundred twenty billion, one hundred twelve million, two hundred eleven thousand, one hundred twenty".