2112320445 has 8 divisors (see below), whose sum is σ = 3379712736. Its totient is φ = 1126570896.

The previous prime is 2112320443. The next prime is 2112320477. The reversal of 2112320445 is 5440232112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2112320445 - 2¹ = 2112320443 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112320443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70410667 + ... + 70410696.

It is an arithmetic number, because the mean of its divisors is an integer number (422464092).

Almost surely, 2^2112320445 is an apocalyptic number.

It is an amenable number.

2112320445 is a deficient number, since it is larger than the sum of its proper divisors (1267392291).

2112320445 is a wasteful number, since it uses less digits than its factorization.

2112320445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140821371.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2112320445 is about 45959.9874347241. The cubic root of 2112320445 is about 1283.0786175008.

Adding to 2112320445 its reverse (5440232112), we get a palindrome (7552552557).

The spelling of 2112320445 in words is "two billion, one hundred twelve million, three hundred twenty thousand, four hundred forty-five".