12325877982 has 96 divisors (see below), whose sum is σ = 31220017920. Its totient is φ = 3472968960.

The previous prime is 12325877933. The next prime is 12325877987. The reversal of 12325877982 is 28977852321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12325877987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 257319 + ... + 301437.

It is an arithmetic number, because the mean of its divisors is an integer number (325208520).

Almost surely, 2^12325877982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12325877982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15610008960).

12325877982 is an abundant number, since it is smaller than the sum of its proper divisors (18894139938).

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

12325877982 is a wasteful number, since it uses less digits than its factorization.

12325877982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44238 (or 44235 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The spelling of 12325877982 in words is "twelve billion, three hundred twenty-five million, eight hundred seventy-seven thousand, nine hundred eighty-two".