1320221012219 has 2 divisors, whose sum is σ = 1320221012220. Its totient is φ = 1320221012218.

The previous prime is 1320221012183. The next prime is 1320221012261. The reversal of 1320221012219 is 9122101220231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1320221012219 - 2²⁴ = 1320204235003 is a prime.

It is a super-2 number, since 2×1320221012219² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1320221012269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660110506109 + 660110506110.

It is an arithmetic number, because the mean of its divisors is an integer number (660110506110).

Almost surely, 2^{1320221012219} is an apocalyptic number.

1320221012219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320221012219 is an equidigital number, since it uses as much as digits as its factorization.

1320221012219 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 26.

The spelling of 1320221012219 in words is "one trillion, three hundred twenty billion, two hundred twenty-one million, twelve thousand, two hundred nineteen".