12199194789 has 8 divisors (see below), whose sum is σ = 16266852000. Its totient is φ = 8132167056.

The previous prime is 12199194769. The next prime is 12199194793. The reversal of 12199194789 is 98749199121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12199194789 - 2⁹ = 12199194277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12199194769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110122 + ... + 191115.

It is an arithmetic number, because the mean of its divisors is an integer number (2033356500).

Almost surely, 2^12199194789 is an apocalyptic number.

It is an amenable number.

12199194789 is a deficient number, since it is larger than the sum of its proper divisors (4067657211).

12199194789 is a wasteful number, since it uses less digits than its factorization.

12199194789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314739.

The product of its digits is 2939328, while the sum is 60.

The spelling of 12199194789 in words is "twelve billion, one hundred ninety-nine million, one hundred ninety-four thousand, seven hundred eighty-nine".