2012002081 has 2 divisors, whose sum is σ = 2012002082. Its totient is φ = 2012002080.

The previous prime is 2012002063. The next prime is 2012002117. The reversal of 2012002081 is 1802002102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1963907856 + 48094225 = 44316^2 + 6935^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012002081 - 2¹¹ = 2012000033 is a prime.

It is a super-2 number, since 2×2012002081² = 8096304747896661122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2012002001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006001040 + 1006001041.

It is an arithmetic number, because the mean of its divisors is an integer number (1006001041).

Almost surely, 2^2012002081 is an apocalyptic number.

It is an amenable number.

2012002081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012002081 is an equidigital number, since it uses as much as digits as its factorization.

2012002081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2012002081 is about 44855.3461808066. The cubic root of 2012002081 is about 1262.4363042857.

Adding to 2012002081 its reverse (1802002102), we get a palindrome (3814004183).

The spelling of 2012002081 in words is "two billion, twelve million, two thousand, eighty-one".