212012333311 has 4 divisors (see below), whose sum is σ = 212062804624. Its totient is φ = 211961862000.

The previous prime is 212012333303. The next prime is 212012333333. The reversal of 212012333311 is 113333210212.

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 212012333311 - 2³ = 212012333303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012333711) 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, 25229355 + ... + 25237756.

It is an arithmetic number, because the mean of its divisors is an integer number (53015701156).

Almost surely, 2^212012333311 is an apocalyptic number.

212012333311 is a deficient number, since it is larger than the sum of its proper divisors (50471313).

212012333311 is an equidigital number, since it uses as much as digits as its factorization.

212012333311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50471312.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 212012333311 its reverse (113333210212), we get a palindrome (325345543523).

The spelling of 212012333311 in words is "two hundred twelve billion, twelve million, three hundred thirty-three thousand, three hundred eleven".