12525204995892 has 144 divisors (see below), whose sum is σ = 33383366911440. Its totient is φ = 3953536763904.

The previous prime is 12525204995879. The next prime is 12525204995923. The reversal of 12525204995892 is 29859940252521.

12525204995892 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 5 + 2 + 0 + 49 + 9 + 589 + 2 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 297552794256 + 12227652201636 = 545484^2 + 3496806^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 150073998 + ... + 150157434.

It is an arithmetic number, because the mean of its divisors is an integer number (231828936885).

Almost surely, 2^{12525204995892} is an apocalyptic number.

12525204995892 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 12525204995892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16691683455720).

12525204995892 is an abundant number, since it is smaller than the sum of its proper divisors (20858161915548).

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

12525204995892 is a wasteful number, since it uses less digits than its factorization.

12525204995892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86242 (or 86237 counting only the distinct ones).

The product of its (nonzero) digits is 46656000, while the sum is 63.

The spelling of 12525204995892 in words is "twelve trillion, five hundred twenty-five billion, two hundred four million, nine hundred ninety-five thousand, eight hundred ninety-two".