2112124412120 has 128 divisors (see below), whose sum is σ = 4952376936000. Its totient is φ = 809727959040.

The previous prime is 2112124412093. The next prime is 2112124412131. The reversal of 2112124412120 is 212144212112.

It is a super-2 number, since 2×2112124412120² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89450876 + ... + 89474484.

Almost surely, 2^{2112124412120} is an apocalyptic number.

2112124412120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112124412120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2476188468000).

2112124412120 is an abundant number, since it is smaller than the sum of its proper divisors (2840252523880).

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

2112124412120 is a wasteful number, since it uses less digits than its factorization.

2112124412120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24213 (or 24209 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 2112124412120 its reverse (212144212112), we get a palindrome (2324268624232).

The spelling of 2112124412120 in words is "two trillion, one hundred twelve billion, one hundred twenty-four million, four hundred twelve thousand, one hundred twenty".