2200012081 has 2 divisors, whose sum is σ = 2200012082. Its totient is φ = 2200012080.

The previous prime is 2200012079. The next prime is 2200012117. The reversal of 2200012081 is 1802100022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1635474481 + 564537600 = 40441^2 + 23760^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200012081 - 2¹ = 2200012079 is a prime.

It is a super-2 number, since 2×2200012081² = 9680106313091901122, which contains 22 as substring.

Together with 2200012079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2200012051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100006040 + 1100006041.

It is an arithmetic number, because the mean of its divisors is an integer number (1100006041).

Almost surely, 2^2200012081 is an apocalyptic number.

It is an amenable number.

2200012081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200012081 is an equidigital number, since it uses as much as digits as its factorization.

2200012081 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 2200012081 is about 46904.2863819502. The cubic root of 2200012081 is about 1300.5938275206.

The spelling of 2200012081 in words is "two billion, two hundred million, twelve thousand, eighty-one".