212333122011 has 8 divisors (see below), whose sum is σ = 285177332304. Its totient is φ = 140522163200.

The previous prime is 212333122003. The next prime is 212333122021. The reversal of 212333122011 is 110221333212.

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 212333122011 - 2³ = 212333122003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212333122021) 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 7 ways as a sum of consecutive naturals, for example, 258312390 + ... + 258313211.

It is an arithmetic number, because the mean of its divisors is an integer number (35647166538).

Almost surely, 2^212333122011 is an apocalyptic number.

212333122011 is a deficient number, since it is larger than the sum of its proper divisors (72844210293).

212333122011 is a wasteful number, since it uses less digits than its factorization.

212333122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516625741.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 212333122011 its reverse (110221333212), we get a palindrome (322554455223).

The spelling of 212333122011 in words is "two hundred twelve billion, three hundred thirty-three million, one hundred twenty-two thousand, eleven".