12609379332 has 576 divisors, whose sum is σ = 41302130688. Its totient is φ = 3193344000.

The previous prime is 12609379327. The next prime is 12609379337. The reversal of 12609379332 is 23397390621.

12609379332 is a `hidden beast` number, since 1 + 2 + 609 + 3 + 7 + 9 + 3 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (12609379327) and next prime (12609379337).

It is not an unprimeable number, because it can be changed into a prime (12609379337) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 177596857 + ... + 177596927.

It is an arithmetic number, because the mean of its divisors is an integer number (71705088).

Almost surely, 2^12609379332 is an apocalyptic number.

12609379332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12609379332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20651065344).

12609379332 is an abundant number, since it is smaller than the sum of its proper divisors (28692751356).

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

12609379332 is a wasteful number, since it uses less digits than its factorization.

12609379332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 45.

The spelling of 12609379332 in words is "twelve billion, six hundred nine million, three hundred seventy-nine thousand, three hundred thirty-two".