212132231211 has 8 divisors (see below), whose sum is σ = 282894695424. Its totient is φ = 141395627240.

The previous prime is 212132231191. The next prime is 212132231249. The reversal of 212132231211 is 112132231212.

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 212132231211 - 2¹⁰ = 212132230187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212132231291) 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, 6445911 + ... + 6478736.

It is an arithmetic number, because the mean of its divisors is an integer number (35361836928).

Almost surely, 2^212132231211 is an apocalyptic number.

212132231211 is a deficient number, since it is larger than the sum of its proper divisors (70762464213).

212132231211 is a wasteful number, since it uses less digits than its factorization.

212132231211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12930121.

The product of its digits is 288, while the sum is 21.

Adding to 212132231211 its reverse (112132231212), we get a palindrome (324264462423).

Subtracting from 212132231211 its reverse (112132231212), we obtain a palindrome (99999999999).

The spelling of 212132231211 in words is "two hundred twelve billion, one hundred thirty-two million, two hundred thirty-one thousand, two hundred eleven".