212211311323 has 8 divisors (see below), whose sum is σ = 231535010160. Its totient is φ = 192892906080.

The previous prime is 212211311317. The next prime is 212211311341. The reversal of 212211311323 is 323113112212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212211311323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212211311294 and 212211311303.

It is not an unprimeable number, because it can be changed into a prime (212211311303) 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, 1239340 + ... + 1400137.

It is an arithmetic number, because the mean of its divisors is an integer number (28941876270).

Almost surely, 2^212211311323 is an apocalyptic number.

212211311323 is a deficient number, since it is larger than the sum of its proper divisors (19323698837).

212211311323 is a wasteful number, since it uses less digits than its factorization.

212211311323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646797.

The product of its digits is 432, while the sum is 22.

Adding to 212211311323 its reverse (323113112212), we get a palindrome (535324423535).

The spelling of 212211311323 in words is "two hundred twelve billion, two hundred eleven million, three hundred eleven thousand, three hundred twenty-three".