12021133219 has 2 divisors, whose sum is σ = 12021133220. Its totient is φ = 12021133218.

The previous prime is 12021133207. The next prime is 12021133231. The reversal of 12021133219 is 91233112021.

It is a balanced prime because it is at equal distance from previous prime (12021133207) and next prime (12021133231).

It is a cyclic number.

It is not a de Polignac number, because 12021133219 - 2²¹ = 12019036067 is a prime.

It is a super-2 number, since 2×12021133219² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12021133193 and 12021133202.

It is not a weakly prime, because it can be changed into another prime (12021133259) 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, 6010566609 + 6010566610.

It is an arithmetic number, because the mean of its divisors is an integer number (6010566610).

Almost surely, 2^12021133219 is an apocalyptic number.

12021133219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021133219 is an equidigital number, since it uses as much as digits as its factorization.

12021133219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 12021133219 in words is "twelve billion, twenty-one million, one hundred thirty-three thousand, two hundred nineteen".