2012512987 has 2 divisors, whose sum is σ = 2012512988. Its totient is φ = 2012512986.

The previous prime is 2012512981. The next prime is 2012513021. The reversal of 2012512987 is 7892152102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012512987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012512981) 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, 1006256493 + 1006256494.

It is an arithmetic number, because the mean of its divisors is an integer number (1006256494).

Almost surely, 2^2012512987 is an apocalyptic number.

2012512987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012512987 is an equidigital number, since it uses as much as digits as its factorization.

2012512987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 2012512987 is about 44861.0408595253. The cubic root of 2012512987 is about 1262.5431517061.

The spelling of 2012512987 in words is "two billion, twelve million, five hundred twelve thousand, nine hundred eighty-seven".