12001221003019 has 2 divisors, whose sum is σ = 12001221003020. Its totient is φ = 12001221003018.

The previous prime is 12001221003011. The next prime is 12001221003041. The reversal of 12001221003019 is 91030012210021.

It is an a-pointer prime, because the next prime (12001221003041) can be obtained adding 12001221003019 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12001221003019 - 2³ = 12001221003011 is a prime.

It is a super-2 number, since 2×12001221003019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12001221003011) 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, 6000610501509 + 6000610501510.

It is an arithmetic number, because the mean of its divisors is an integer number (6000610501510).

Almost surely, 2^{12001221003019} is an apocalyptic number.

12001221003019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001221003019 is an equidigital number, since it uses as much as digits as its factorization.

12001221003019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 12001221003019 in words is "twelve trillion, one billion, two hundred twenty-one million, three thousand, nineteen".