12191369020863 has 16 divisors (see below), whose sum is σ = 16375792204800. Its totient is φ = 8067485576160.

The previous prime is 12191369020861. The next prime is 12191369020877. The reversal of 12191369020863 is 36802096319121.

12191369020863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12191369020863 - 2¹ = 12191369020861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12191369020861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27654043 + ... + 28091436.

It is an arithmetic number, because the mean of its divisors is an integer number (1023487012800).

Almost surely, 2^{12191369020863} is an apocalyptic number.

12191369020863 is a deficient number, since it is larger than the sum of its proper divisors (4184423183937).

12191369020863 is a wasteful number, since it uses less digits than its factorization.

12191369020863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55746022.

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 12191369020863 in words is "twelve trillion, one hundred ninety-one billion, three hundred sixty-nine million, twenty thousand, eight hundred sixty-three".