12196758881 has 2 divisors, whose sum is σ = 12196758882. Its totient is φ = 12196758880.

The previous prime is 12196758853. The next prime is 12196758883. The reversal of 12196758881 is 18885769121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6655296400 + 5541462481 = 81580^2 + 74441^2 .

It is a cyclic number.

It is not a de Polignac number, because 12196758881 - 2¹⁰ = 12196757857 is a prime.

It is a super-2 number, since 2×12196758881² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 12196758883, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12196758883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6098379440 + 6098379441.

It is an arithmetic number, because the mean of its divisors is an integer number (6098379441).

Almost surely, 2^12196758881 is an apocalyptic number.

It is an amenable number.

12196758881 is a deficient number, since it is larger than the sum of its proper divisors (1).

12196758881 is an equidigital number, since it uses as much as digits as its factorization.

12196758881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 56.

The spelling of 12196758881 in words is "twelve billion, one hundred ninety-six million, seven hundred fifty-eight thousand, eight hundred eighty-one".