212031032011 has 4 divisors (see below), whose sum is σ = 212599480192. Its totient is φ = 211462583832.

The previous prime is 212031032009. The next prime is 212031032051. The reversal of 212031032011 is 110230130212.

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 212031032011 - 2¹ = 212031032009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212031032051) 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, 284223531 + ... + 284224276.

It is an arithmetic number, because the mean of its divisors is an integer number (53149870048).

Almost surely, 2^212031032011 is an apocalyptic number.

212031032011 is a deficient number, since it is larger than the sum of its proper divisors (568448181).

212031032011 is an equidigital number, since it uses as much as digits as its factorization.

212031032011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568448180.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212031032011 its reverse (110230130212), we get a palindrome (322261162223).

The spelling of 212031032011 in words is "two hundred twelve billion, thirty-one million, thirty-two thousand, eleven".