2112001305 has 8 divisors (see below), whose sum is σ = 3379202112. Its totient is φ = 1126400688.

The previous prime is 2112001303. The next prime is 2112001313. The reversal of 2112001305 is 5031002112.

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

It is not a de Polignac number, because 2112001305 - 2¹ = 2112001303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 140800087 = 2112001305 / (2 + 1 + 1 + 2 + 0 + 0 + 1 + 3 + 0 + 5).

It is not an unprimeable number, because it can be changed into a prime (2112001303) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 70400029 + ... + 70400058.

It is an arithmetic number, because the mean of its divisors is an integer number (422400264).

Almost surely, 2^2112001305 is an apocalyptic number.

It is an amenable number.

2112001305 is a deficient number, since it is larger than the sum of its proper divisors (1267200807).

2112001305 is a wasteful number, since it uses less digits than its factorization.

2112001305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140800095.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 2112001305 is about 45956.5153705108. The cubic root of 2112001305 is about 1283.0139962554.

Adding to 2112001305 its reverse (5031002112), we get a palindrome (7143003417).

The spelling of 2112001305 in words is "two billion, one hundred twelve million, one thousand, three hundred five".