131212212211 has 8 divisors (see below), whose sum is σ = 132043290624. Its totient is φ = 130381452360.

The previous prime is 131212212163. The next prime is 131212212221. The reversal of 131212212211 is 112212212131.

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 131212212211 - 2¹¹ = 131212210163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131212212221) 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, 775710 + ... + 929596.

It is an arithmetic number, because the mean of its divisors is an integer number (16505411328).

Almost surely, 2^131212212211 is an apocalyptic number.

131212212211 is a deficient number, since it is larger than the sum of its proper divisors (831078413).

131212212211 is a wasteful number, since it uses less digits than its factorization.

131212212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159281.

The product of its digits is 96, while the sum is 19.

Adding to 131212212211 its reverse (112212212131), we get a palindrome (243424424342).

The spelling of 131212212211 in words is "one hundred thirty-one billion, two hundred twelve million, two hundred twelve thousand, two hundred eleven".