2012219987 has 2 divisors, whose sum is σ = 2012219988. Its totient is φ = 2012219986.

The previous prime is 2012219933. The next prime is 2012220019. The reversal of 2012219987 is 7899122102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2012219987 - 2¹⁴ = 2012203603 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012219087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006109993 + 1006109994.

It is an arithmetic number, because the mean of its divisors is an integer number (1006109994).

Almost surely, 2^2012219987 is an apocalyptic number.

2012219987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012219987 is an equidigital number, since it uses as much as digits as its factorization.

2012219987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 2012219987 is about 44857.7751008674. The cubic root of 2012219987 is about 1262.4818778825.

The spelling of 2012219987 in words is "two billion, twelve million, two hundred nineteen thousand, nine hundred eighty-seven".