12193999959 has 16 divisors (see below), whose sum is σ = 16350491520. Its totient is φ = 8083491360.

The previous prime is 12193999943. The next prime is 12194000003. The reversal of 12193999959 is 95999939121.

It is not a de Polignac number, because 12193999959 - 2⁴ = 12193999943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12193999959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12193999919) 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 15 ways as a sum of consecutive naturals, for example, 743257 + ... + 759485.

It is an arithmetic number, because the mean of its divisors is an integer number (1021905720).

Almost surely, 2^12193999959 is an apocalyptic number.

12193999959 is a deficient number, since it is larger than the sum of its proper divisors (4156491561).

12193999959 is a wasteful number, since it uses less digits than its factorization.

12193999959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17630.

The product of its digits is 15943230, while the sum is 66.

The spelling of 12193999959 in words is "twelve billion, one hundred ninety-three million, nine hundred ninety-nine thousand, nine hundred fifty-nine".