12121022021219 has 2 divisors, whose sum is σ = 12121022021220. Its totient is φ = 12121022021218.

The previous prime is 12121022021177. The next prime is 12121022021249. The reversal of 12121022021219 is 91212022012121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12121022021219 is a prime.

It is a super-2 number, since 2×12121022021219² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12121022021249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060511010609 + 6060511010610.

It is an arithmetic number, because the mean of its divisors is an integer number (6060511010610).

Almost surely, 2^{12121022021219} is an apocalyptic number.

12121022021219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121022021219 is an equidigital number, since it uses as much as digits as its factorization.

12121022021219 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 12121022021219 in words is "twelve trillion, one hundred twenty-one billion, twenty-two million, twenty-one thousand, two hundred nineteen".