12192661711 has 4 divisors (see below), whose sum is σ = 12329658000. Its totient is φ = 12055665424.

The previous prime is 12192661669. The next prime is 12192661717. The reversal of 12192661711 is 11716629121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11716629121 = 43 ⋅272479747.

It is a cyclic number.

It is not a de Polignac number, because 12192661711 - 2³³ = 3602727119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12192661717) 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 3 ways as a sum of consecutive naturals, for example, 68498011 + ... + 68498188.

It is an arithmetic number, because the mean of its divisors is an integer number (3082414500).

Almost surely, 2^12192661711 is an apocalyptic number.

12192661711 is a deficient number, since it is larger than the sum of its proper divisors (136996289).

12192661711 is an equidigital number, since it uses as much as digits as its factorization.

12192661711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136996288.

The product of its digits is 9072, while the sum is 37.

The spelling of 12192661711 in words is "twelve billion, one hundred ninety-two million, six hundred sixty-one thousand, seven hundred eleven".