12131332219 has 2 divisors, whose sum is σ = 12131332220. Its totient is φ = 12131332218.

The previous prime is 12131332217. The next prime is 12131332237. The reversal of 12131332219 is 91223313121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12131332219 - 2¹ = 12131332217 is a prime.

It is a super-2 number, since 2×12131332219² (a number of 21 digits) contains 22 as substring.

Together with 12131332217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12131332217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065666109 + 6065666110.

It is an arithmetic number, because the mean of its divisors is an integer number (6065666110).

Almost surely, 2^12131332219 is an apocalyptic number.

12131332219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131332219 is an equidigital number, since it uses as much as digits as its factorization.

12131332219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 28.

The spelling of 12131332219 in words is "twelve billion, one hundred thirty-one million, three hundred thirty-two thousand, two hundred nineteen".