12595669380 has 144 divisors (see below), whose sum is σ = 43692614784. Its totient is φ = 2877189120.

The previous prime is 12595669357. The next prime is 12595669381. The reversal of 12595669380 is 8396659521.

It is a happy number.

12595669380 is a `hidden beast` number, since 1 + 259 + 5 + 6 + 6 + 9 + 380 = 666.

It is not an unprimeable number, because it can be changed into a prime (12595669381) 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, 3930859 + ... + 3934061.

It is an arithmetic number, because the mean of its divisors is an integer number (303420936).

Almost surely, 2^12595669380 is an apocalyptic number.

12595669380 is a gapful number since it is divisible by the number (10) 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 12595669380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21846307392).

12595669380 is an abundant number, since it is smaller than the sum of its proper divisors (31096945404).

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

12595669380 is a wasteful number, since it uses less digits than its factorization.

12595669380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6346 (or 6341 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 12595669380 in words is "twelve billion, five hundred ninety-five million, six hundred sixty-nine thousand, three hundred eighty".