2112124343020 has 48 divisors (see below), whose sum is σ = 4457556381600. Its totient is φ = 840647808000.

The previous prime is 2112124342997. The next prime is 2112124343027. The reversal of 2112124343020 is 203434212112.

It is a super-2 number, since 2×2112124343020² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112124343027) 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, 4856686 + ... + 5273674.

It is an arithmetic number, because the mean of its divisors is an integer number (92865757950).

Almost surely, 2^{2112124343020} is an apocalyptic number.

2112124343020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112124343020 is an abundant number, since it is smaller than the sum of its proper divisors (2345432038580).

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

2112124343020 is a wasteful number, since it uses less digits than its factorization.

2112124343020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418258 (or 418256 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2112124343020 its reverse (203434212112), we get a palindrome (2315558555132).

The spelling of 2112124343020 in words is "two trillion, one hundred twelve billion, one hundred twenty-four million, three hundred forty-three thousand, twenty".