323212220011 has 4 divisors (see below), whose sum is σ = 323249693832. Its totient is φ = 323174746192.

The previous prime is 323212220003. The next prime is 323212220017. The reversal of 323212220011 is 110022212323.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 323212220011 - 2³ = 323212220003 is a prime.

It is a super-2 number, since 2×323212220011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323212220017) 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 in 3 ways as a sum of consecutive naturals, for example, 18723970 + ... + 18741223.

It is an arithmetic number, because the mean of its divisors is an integer number (80812423458).

Almost surely, 2^323212220011 is an apocalyptic number.

323212220011 is a deficient number, since it is larger than the sum of its proper divisors (37473821).

323212220011 is an equidigital number, since it uses as much as digits as its factorization.

323212220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37473820.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 323212220011 its reverse (110022212323), we get a palindrome (433234432334).

The spelling of 323212220011 in words is "three hundred twenty-three billion, two hundred twelve million, two hundred twenty thousand, eleven".