212011211323 has 8 divisors (see below), whose sum is σ = 219663861120. Its totient is φ = 204409410240.

The previous prime is 212011211309. The next prime is 212011211351. The reversal of 212011211323 is 323112110212.

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 212011211323 - 2⁹ = 212011210811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212011211323.

It is not an unprimeable number, because it can be changed into a prime (212011211123) 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, 12703690 + ... + 12720367.

It is an arithmetic number, because the mean of its divisors is an integer number (27457982640).

Almost surely, 2^212011211323 is an apocalyptic number.

212011211323 is a deficient number, since it is larger than the sum of its proper divisors (7652649797).

212011211323 is a wasteful number, since it uses less digits than its factorization.

212011211323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25424357.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 212011211323 its reverse (323112110212), we get a palindrome (535123321535).

The spelling of 212011211323 in words is "two hundred twelve billion, eleven million, two hundred eleven thousand, three hundred twenty-three".