12345308645679 has 48 divisors (see below), whose sum is σ = 18345604787328. Its totient is φ = 7999840000800.

The previous prime is 12345308645671. The next prime is 12345308645687. The reversal of 12345308645679 is 97654680354321.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

12345308645679 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 5 + 3 + 0 + 8 + 64 + 567 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (12345308645671) and next prime (12345308645687).

It is not a de Polignac number, because 12345308645679 - 2³ = 12345308645671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12345308645671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45554644314 + ... + 45554644584.

It is an arithmetic number, because the mean of its divisors is an integer number (382200099736).

It is a 2-persistent number, because it is pandigital, and so is 2⋅12345308645679 = 24690617291358, but 3⋅12345308645679 = 37035925937037 is not.

Almost surely, 2^{12345308645679} is an apocalyptic number.

12345308645679 is a deficient number, since it is larger than the sum of its proper divisors (6000296141649).

12345308645679 is an frugal number, since it uses more digits than its factorization.

12345308645679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 63.

The spelling of 12345308645679 in words is "twelve trillion, three hundred forty-five billion, three hundred eight million, six hundred forty-five thousand, six hundred seventy-nine".