12622656384 has 768 divisors, whose sum is σ = 44910028800. Its totient is φ = 3493601280.

The previous prime is 12622656367. The next prime is 12622656391. The reversal of 12622656384 is 48365622621.

12622656384 is a `hidden beast` number, since 1 + 2 + 6 + 2 + 2 + 6 + 5 + 638 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 238163302 + ... + 238163354.

It is an arithmetic number, because the mean of its divisors is an integer number (58476600).

Almost surely, 2^12622656384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12622656384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22455014400).

12622656384 is an abundant number, since it is smaller than the sum of its proper divisors (32287372416).

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

12622656384 is a wasteful number, since it uses less digits than its factorization.

12622656384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 121 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 12622656384 in words is "twelve billion, six hundred twenty-two million, six hundred fifty-six thousand, three hundred eighty-four".