2012012459 has 2 divisors, whose sum is σ = 2012012460. Its totient is φ = 2012012458.

The previous prime is 2012012383. The next prime is 2012012461. The reversal of 2012012459 is 9542102102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012012459 is a prime.

It is a Sophie Germain prime.

Together with 2012012461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2012011459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006006229 + 1006006230.

It is an arithmetic number, because the mean of its divisors is an integer number (1006006230).

Almost surely, 2^2012012459 is an apocalyptic number.

2012012459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012012459 is an equidigital number, since it uses as much as digits as its factorization.

2012012459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 2012012459 is about 44855.4618636348. The cubic root of 2012012459 is about 1262.4384748503.

The spelling of 2012012459 in words is "two billion, twelve million, twelve thousand, four hundred fifty-nine".