12485882136 has 128 divisors (see below), whose sum is σ = 39311838720. Its totient is φ = 3216374784.

The previous prime is 12485882107. The next prime is 12485882147. The reversal of 12485882136 is 63128858421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27436 + ... + 160388.

It is an arithmetic number, because the mean of its divisors is an integer number (307123740).

Almost surely, 2^12485882136 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 12485882136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19655919360).

12485882136 is an abundant number, since it is smaller than the sum of its proper divisors (26825956584).

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

12485882136 is a wasteful number, since it uses less digits than its factorization.

12485882136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133025 (or 133021 counting only the distinct ones).

The product of its digits is 737280, while the sum is 48.

The spelling of 12485882136 in words is "twelve billion, four hundred eighty-five million, eight hundred eighty-two thousand, one hundred thirty-six".