321204021040219 has 2 divisors, whose sum is σ = 321204021040220. Its totient is φ = 321204021040218.

The previous prime is 321204021040213. The next prime is 321204021040247. The reversal of 321204021040219 is 912040120402123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321204021040219 - 2¹⁵ = 321204021007451 is a prime.

It is a super-2 number, since 2×321204021040219² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321204021040213) 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, 160602010520109 + 160602010520110.

It is an arithmetic number, because the mean of its divisors is an integer number (160602010520110).

Almost surely, 2^{321204021040219} is an apocalyptic number.

321204021040219 is a deficient number, since it is larger than the sum of its proper divisors (1).

321204021040219 is an equidigital number, since it uses as much as digits as its factorization.

321204021040219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 321204021040219 in words is "three hundred twenty-one trillion, two hundred four billion, twenty-one million, forty thousand, two hundred nineteen".