2112343735992 has 128 divisors (see below), whose sum is σ = 6080625331200. Its totient is φ = 598992933888.

The previous prime is 2112343735963. The next prime is 2112343735993. The reversal of 2112343735992 is 2995373432112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112343735993) 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, 174294109 + ... + 174306227.

It is an arithmetic number, because the mean of its divisors is an integer number (47504885400).

Almost surely, 2^{2112343735992} 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 2112343735992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3040312665600).

2112343735992 is an abundant number, since it is smaller than the sum of its proper divisors (3968281595208).

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

2112343735992 is a wasteful number, since it uses less digits than its factorization.

2112343735992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19845 (or 19841 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 51.

The spelling of 2112343735992 in words is "two trillion, one hundred twelve billion, three hundred forty-three million, seven hundred thirty-five thousand, nine hundred ninety-two".