12328181287722 has 24 divisors (see below), whose sum is σ = 27279379872576. Its totient is φ = 4021959852456.

The previous prime is 12328181287703. The next prime is 12328181287727. The reversal of 12328181287722 is 22778218182321.

12328181287722 is a `hidden beast` number, since 1 + 2 + 3 + 281 + 81 + 287 + 7 + 2 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (12328181287727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7286158308 + ... + 7286159999.

It is an arithmetic number, because the mean of its divisors is an integer number (1136640828024).

Almost surely, 2^{12328181287722} is an apocalyptic number.

12328181287722 is an abundant number, since it is smaller than the sum of its proper divisors (14951198584854).

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

12328181287722 is a wasteful number, since it uses less digits than its factorization.

12328181287722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14572318362 (or 14572318359 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 54.

The spelling of 12328181287722 in words is "twelve trillion, three hundred twenty-eight billion, one hundred eighty-one million, two hundred eighty-seven thousand, seven hundred twenty-two".