13221212101219 has 2 divisors, whose sum is σ = 13221212101220. Its totient is φ = 13221212101218.

The previous prime is 13221212101199. The next prime is 13221212101259. The reversal of 13221212101219 is 91210121212231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13221212101219 - 2⁷ = 13221212101091 is a prime.

It is a super-2 number, since 2×13221212101219² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13221212101259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610606050609 + 6610606050610.

It is an arithmetic number, because the mean of its divisors is an integer number (6610606050610).

Almost surely, 2^{13221212101219} is an apocalyptic number.

13221212101219 is a deficient number, since it is larger than the sum of its proper divisors (1).

13221212101219 is an equidigital number, since it uses as much as digits as its factorization.

13221212101219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 13221212101219 in words is "thirteen trillion, two hundred twenty-one billion, two hundred twelve million, one hundred one thousand, two hundred nineteen".