1220201222323 has 8 divisors (see below), whose sum is σ = 1221913763840. Its totient is φ = 1218488848200.

The previous prime is 1220201222309. The next prime is 1220201222353. The reversal of 1220201222323 is 3232221020221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220201222323 - 2¹⁷ = 1220201091251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220201222294 and 1220201222303.

It is not an unprimeable number, because it can be changed into a prime (1220201222353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24473686 + ... + 24523492.

It is an arithmetic number, because the mean of its divisors is an integer number (152739220480).

Almost surely, 2^{1220201222323} is an apocalyptic number.

1220201222323 is a deficient number, since it is larger than the sum of its proper divisors (1712541517).

1220201222323 is an equidigital number, since it uses as much as digits as its factorization.

1220201222323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83697.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1220201222323 its reverse (3232221020221), we get a palindrome (4452422242544).

The spelling of 1220201222323 in words is "one trillion, two hundred twenty billion, two hundred one million, two hundred twenty-two thousand, three hundred twenty-three".