12329198542 has 16 divisors (see below), whose sum is σ = 19115864064. Its totient is φ = 5957775000.

The previous prime is 12329198513. The next prime is 12329198543. The reversal of 12329198542 is 24589192321.

It is a junction number, because it is equal to n+sod(n) for n = 12329198492 and 12329198501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12329198543) 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 7 ways as a sum of consecutive naturals, for example, 85834 + ... + 178957.

It is an arithmetic number, because the mean of its divisors is an integer number (1194741504).

Almost surely, 2^12329198542 is an apocalyptic number.

12329198542 is a deficient number, since it is larger than the sum of its proper divisors (6786665522).

12329198542 is a wasteful number, since it uses less digits than its factorization.

12329198542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265575.

The product of its digits is 311040, while the sum is 46.

The spelling of 12329198542 in words is "twelve billion, three hundred twenty-nine million, one hundred ninety-eight thousand, five hundred forty-two".