12184493442 has 32 divisors (see below), whose sum is σ = 27034940160. Its totient is φ = 3629688720.

The previous prime is 12184493441. The next prime is 12184493471. The reversal of 12184493442 is 24439448121.

It is a junction number, because it is equal to n+sod(n) for n = 12184493394 and 12184493403.

It is not an unprimeable number, because it can be changed into a prime (12184493441) 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, 1560628 + ... + 1568415.

It is an arithmetic number, because the mean of its divisors is an integer number (844841880).

Almost surely, 2^12184493442 is an apocalyptic number.

12184493442 is an abundant number, since it is smaller than the sum of its proper divisors (14850446718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12184493442 is a wasteful number, since it uses less digits than its factorization.

12184493442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129118.

The product of its digits is 221184, while the sum is 42.

The spelling of 12184493442 in words is "twelve billion, one hundred eighty-four million, four hundred ninety-three thousand, four hundred forty-two".