2012220019 has 2 divisors, whose sum is σ = 2012220020. Its totient is φ = 2012220018.

The previous prime is 2012219987. The next prime is 2012220031. The reversal of 2012220019 is 9100222102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2012220019 - 2⁵ = 2012219987 is a prime.

It is a super-2 number, since 2×2012220019² = 8098058809728720722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012219978 and 2012220005.

It is not a weakly prime, because it can be changed into another prime (2012220059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006110009 + 1006110010.

It is an arithmetic number, because the mean of its divisors is an integer number (1006110010).

Almost surely, 2^2012220019 is an apocalyptic number.

2012220019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012220019 is an equidigital number, since it uses as much as digits as its factorization.

2012220019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2012220019 is about 44857.7754575503. The cubic root of 2012220019 is about 1262.4818845749.

The spelling of 2012220019 in words is "two billion, twelve million, two hundred twenty thousand, nineteen".