2112001205 has 8 divisors (see below), whose sum is σ = 2683483992. Its totient is φ = 1590212608.

The previous prime is 2112001193. The next prime is 2112001207. The reversal of 2112001205 is 5021002112.

It can be written as a sum of positive squares in 4 ways, for example, as 803949316 + 1308051889 = 28354^2 + 36167^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2112001205 - 2⁶ = 2112001141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112001205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112001207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12423452 + ... + 12423621.

It is an arithmetic number, because the mean of its divisors is an integer number (335435499).

Almost surely, 2^2112001205 is an apocalyptic number.

It is an amenable number.

2112001205 is a deficient number, since it is larger than the sum of its proper divisors (571482787).

2112001205 is a wasteful number, since it uses less digits than its factorization.

2112001205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24847095.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 2112001205 is about 45956.5142825258. The cubic root of 2112001205 is about 1283.0139760058.

Adding to 2112001205 its reverse (5021002112), we get a palindrome (7133003317).

The spelling of 2112001205 in words is "two billion, one hundred twelve million, one thousand, two hundred five".