2124542112 has 192 divisors, whose sum is σ = 7027098624. Its totient is φ = 545955840.

The previous prime is 2124542093. The next prime is 2124542113. The reversal of 2124542112 is 2112454212.

It is a super-2 number, since 2×2124542112² = 9027358371322841088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2124542113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 715543 + ... + 718505.

It is an arithmetic number, because the mean of its divisors is an integer number (36599472).

Almost surely, 2^2124542112 is an apocalyptic number.

2124542112 is a gapful number since it is divisible by the number (22) 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 2124542112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3513549312).

2124542112 is an abundant number, since it is smaller than the sum of its proper divisors (4902556512).

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

2124542112 is a wasteful number, since it uses less digits than its factorization.

2124542112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091 (or 3083 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 2124542112 is about 46092.7555262213. The cubic root of 2124542112 is about 1285.5484468146.

2124542112 divided by its sum of digits (24) gives a palindrome (88522588).

Adding to 2124542112 its reverse (2112454212), we get a palindrome (4236996324).

The spelling of 2124542112 in words is "two billion, one hundred twenty-four million, five hundred forty-two thousand, one hundred twelve".