2012055665 has 8 divisors (see below), whose sum is σ = 2465838720. Its totient is φ = 1575396592.

The previous prime is 2012055653. The next prime is 2012055679. The reversal of 2012055665 is 5665502102.

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 2012055665 - 2¹⁶ = 2011990129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4280735 + ... + 4281204.

It is an arithmetic number, because the mean of its divisors is an integer number (308229840).

Almost surely, 2^2012055665 is an apocalyptic number.

It is an amenable number.

2012055665 is a deficient number, since it is larger than the sum of its proper divisors (453783055).

2012055665 is an equidigital number, since it uses as much as digits as its factorization.

2012055665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8561991.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 2012055665 is about 44855.9434746389. The cubic root of 2012055665 is about 1262.4475113296.

Adding to 2012055665 its reverse (5665502102), we get a palindrome (7677557767).

The spelling of 2012055665 in words is "two billion, twelve million, fifty-five thousand, six hundred sixty-five".