212220313011323 has 4 divisors (see below), whose sum is σ = 212710429208088. Its totient is φ = 211730196814560.

The previous prime is 212220313011251. The next prime is 212220313011373. The reversal of 212220313011323 is 323110313022212.

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 212220313011323 - 2¹⁴ = 212220312994939 is a prime.

It is a super-2 number, since 2×212220313011323² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212220313011292 and 212220313011301.

It is not an unprimeable number, because it can be changed into a prime (212220313011373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245058097733 + ... + 245058098598.

It is an arithmetic number, because the mean of its divisors is an integer number (53177607302022).

Almost surely, 2^{212220313011323} is an apocalyptic number.

212220313011323 is a deficient number, since it is larger than the sum of its proper divisors (490116196765).

212220313011323 is an equidigital number, since it uses as much as digits as its factorization.

212220313011323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490116196764.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 212220313011323 its reverse (323110313022212), we get a palindrome (535330626033535).

The spelling of 212220313011323 in words is "two hundred twelve trillion, two hundred twenty billion, three hundred thirteen million, eleven thousand, three hundred twenty-three".