12021330019 has 2 divisors, whose sum is σ = 12021330020. Its totient is φ = 12021330018.

The previous prime is 12021329899. The next prime is 12021330031. The reversal of 12021330019 is 91003312021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12021330019 - 2²¹ = 12019232867 is a prime.

It is a super-2 number, since 2×12021330019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12021330049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010665009 + 6010665010.

It is an arithmetic number, because the mean of its divisors is an integer number (6010665010).

Almost surely, 2^12021330019 is an apocalyptic number.

12021330019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021330019 is an equidigital number, since it uses as much as digits as its factorization.

12021330019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 12021330019 in words is "twelve billion, twenty-one million, three hundred thirty thousand, nineteen".