12320738468064 has 72 divisors (see below), whose sum is σ = 37732261569912. Its totient is φ = 3790996450560.

The previous prime is 12320738468021. The next prime is 12320738468117. The reversal of 12320738468064 is 46086483702321.

12320738468064 is a `hidden beast` number, since 123 + 2 + 0 + 7 + 384 + 6 + 80 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 12320738468064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1645394022 + ... + 1645401509.

It is an arithmetic number, because the mean of its divisors is an integer number (524059188471).

Almost surely, 2^{12320738468064} is an apocalyptic number.

It is an amenable number.

12320738468064 is an abundant number, since it is smaller than the sum of its proper divisors (25411523101848).

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

12320738468064 is a wasteful number, since it uses less digits than its factorization.

12320738468064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290795560 (or 3290795549 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 12320738468064 in words is "twelve trillion, three hundred twenty billion, seven hundred thirty-eight million, four hundred sixty-eight thousand, sixty-four".