2012816465 has 16 divisors (see below), whose sum is σ = 2706177600. Its totient is φ = 1424301120.

The previous prime is 2012816461. The next prime is 2012816489. The reversal of 2012816465 is 5646182102.

It is not a de Polignac number, because 2012816465 - 2² = 2012816461 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2012816461) 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 15 ways as a sum of consecutive naturals, for example, 492515 + ... + 496584.

It is an arithmetic number, because the mean of its divisors is an integer number (169136100).

Almost surely, 2^2012816465 is an apocalyptic number.

It is an amenable number.

2012816465 is a deficient number, since it is larger than the sum of its proper divisors (693361135).

2012816465 is a wasteful number, since it uses less digits than its factorization.

2012816465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989152.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2012816465 is about 44864.4231546556. The cubic root of 2012816465 is about 1262.6066104789.

Adding to 2012816465 its reverse (5646182102), we get a palindrome (7658998567).

The spelling of 2012816465 in words is "two billion, twelve million, eight hundred sixteen thousand, four hundred sixty-five".