212220210323 has 8 divisors (see below), whose sum is σ = 239496162480. Its totient is φ = 186274792480.

The previous prime is 212220210313. The next prime is 212220210343. The reversal of 212220210323 is 323012022212.

It is a happy number.

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 212220210323 - 2⁶ = 212220210259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212220210295 and 212220210304.

It is not an unprimeable number, because it can be changed into a prime (212220210313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332633240 + ... + 332633877.

It is an arithmetic number, because the mean of its divisors is an integer number (29937020310).

Almost surely, 2^212220210323 is an apocalyptic number.

212220210323 is a deficient number, since it is larger than the sum of its proper divisors (27275952157).

212220210323 is a wasteful number, since it uses less digits than its factorization.

212220210323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665267157.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212220210323 its reverse (323012022212), we get a palindrome (535232232535).

The spelling of 212220210323 in words is "two hundred twelve billion, two hundred twenty million, two hundred ten thousand, three hundred twenty-three".