12322385418 has 64 divisors (see below), whose sum is σ = 29299968000. Its totient is φ = 3380228544.

The previous prime is 12322385407. The next prime is 12322385461. The reversal of 12322385418 is 81458322321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189763 + ... + 246281.

It is an arithmetic number, because the mean of its divisors is an integer number (457812000).

Almost surely, 2^12322385418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12322385418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14649984000).

12322385418 is an abundant number, since it is smaller than the sum of its proper divisors (16977582582).

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

12322385418 is a wasteful number, since it uses less digits than its factorization.

12322385418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56739.

The product of its digits is 92160, while the sum is 39.

The spelling of 12322385418 in words is "twelve billion, three hundred twenty-two million, three hundred eighty-five thousand, four hundred eighteen".