2112307512 has 192 divisors, whose sum is σ = 6391756800. Its totient is φ = 569203200.

The previous prime is 2112307499. The next prime is 2112307529. The reversal of 2112307512 is 2157032112.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19378914 + ... + 19379022.

It is an arithmetic number, because the mean of its divisors is an integer number (33290400).

Almost surely, 2^2112307512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112307512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3195878400).

2112307512 is an abundant number, since it is smaller than the sum of its proper divisors (4279449288).

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

2112307512 is a wasteful number, since it uses less digits than its factorization.

2112307512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 2112307512 is about 45959.8467360369. The cubic root of 2112307512 is about 1283.0759988815.

Adding to 2112307512 its reverse (2157032112), we get a palindrome (4269339624).

The spelling of 2112307512 in words is "two billion, one hundred twelve million, three hundred seven thousand, five hundred twelve".