12021021122219 has 2 divisors, whose sum is σ = 12021021122220. Its totient is φ = 12021021122218.

The previous prime is 12021021122203. The next prime is 12021021122269. The reversal of 12021021122219 is 91222112012021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12021021122219 - 2⁴ = 12021021122203 is a prime.

It is a super-2 number, since 2×12021021122219² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12021021122269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010510561109 + 6010510561110.

It is an arithmetic number, because the mean of its divisors is an integer number (6010510561110).

Almost surely, 2^{12021021122219} is an apocalyptic number.

12021021122219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021021122219 is an equidigital number, since it uses as much as digits as its factorization.

12021021122219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 12021021122219 in words is "twelve trillion, twenty-one billion, twenty-one million, one hundred twenty-two thousand, two hundred nineteen".