12131340211 has 8 divisors (see below), whose sum is σ = 12301994880. Its totient is φ = 11961616128.

The previous prime is 12131340157. The next prime is 12131340217. The reversal of 12131340211 is 11204313121.

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 12131340211 - 2⁷ = 12131340083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12131340217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206371 + ... + 258556.

It is an arithmetic number, because the mean of its divisors is an integer number (1537749360).

Almost surely, 2^12131340211 is an apocalyptic number.

12131340211 is a deficient number, since it is larger than the sum of its proper divisors (170654669).

12131340211 is an equidigital number, since it uses as much as digits as its factorization.

12131340211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465293.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12131340211 its reverse (11204313121), we get a palindrome (23335653332).

The spelling of 12131340211 in words is "twelve billion, one hundred thirty-one million, three hundred forty thousand, two hundred eleven".