12328664137651 has 4 divisors (see below), whose sum is σ = 12360853861632. Its totient is φ = 12296474413672.

The previous prime is 12328664137579. The next prime is 12328664137729. The reversal of 12328664137651 is 15673146682321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12328664137651 - 2¹⁷ = 12328664006579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12328664137592 and 12328664137601.

It is not an unprimeable number, because it can be changed into a prime (12328664132651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16094861416 + ... + 16094862181.

It is an arithmetic number, because the mean of its divisors is an integer number (3090213465408).

Almost surely, 2^{12328664137651} is an apocalyptic number.

12328664137651 is a deficient number, since it is larger than the sum of its proper divisors (32189723981).

12328664137651 is an equidigital number, since it uses as much as digits as its factorization.

12328664137651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32189723980.

The product of its digits is 8709120, while the sum is 55.

The spelling of 12328664137651 in words is "twelve trillion, three hundred twenty-eight billion, six hundred sixty-four million, one hundred thirty-seven thousand, six hundred fifty-one".