12566334330 has 112 divisors (see below), whose sum is σ = 36996878304. Its totient is φ = 3046364640.

The previous prime is 12566334311. The next prime is 12566334419. The reversal of 12566334330 is 3343366521.

12566334330 is a `hidden beast` number, since 1 + 256 + 63 + 343 + 3 + 0 = 666.

12566334330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1837 + ... + 158543.

Almost surely, 2^12566334330 is an apocalyptic number.

12566334330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12566334330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18498439152).

12566334330 is an abundant number, since it is smaller than the sum of its proper divisors (24430543974).

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

12566334330 is a wasteful number, since it uses less digits than its factorization.

12566334330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156743 (or 156728 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

The spelling of 12566334330 in words is "twelve billion, five hundred sixty-six million, three hundred thirty-four thousand, three hundred thirty".