320212212011 has 4 divisors (see below), whose sum is σ = 320223891624. Its totient is φ = 320200532400.

The previous prime is 320212211999. The next prime is 320212212031. The reversal of 320212212011 is 110212212023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110212212023 = 67537 ⋅1631879.

It is a cyclic number.

It is not a de Polignac number, because 320212212011 - 2³⁰ = 319138470187 is a prime.

It is a super-2 number, since 2×320212212011² (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 (320212212031) 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 3 ways as a sum of consecutive naturals, for example, 5798585 + ... + 5853546.

It is an arithmetic number, because the mean of its divisors is an integer number (80055972906).

Almost surely, 2^320212212011 is an apocalyptic number.

320212212011 is a deficient number, since it is larger than the sum of its proper divisors (11679613).

320212212011 is a wasteful number, since it uses less digits than its factorization.

320212212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11679612.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 320212212011 its reverse (110212212023), we get a palindrome (430424424034).

The spelling of 320212212011 in words is "three hundred twenty billion, two hundred twelve million, two hundred twelve thousand, eleven".