12843195725 has 12 divisors (see below), whose sum is σ = 15926978004. Its totient is φ = 10273643520.

The previous prime is 12843195713. The next prime is 12843195727. The reversal of 12843195725 is 52759134821.

It can be written as a sum of positive squares in 6 ways, for example, as 413449 + 12842782276 = 643^2 + 113326^2 .

It is not a de Polignac number, because 12843195725 - 2⁶ = 12843195661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12843195725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12843195727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490157 + ... + 515693.

It is an arithmetic number, because the mean of its divisors is an integer number (1327248167).

Almost surely, 2^12843195725 is an apocalyptic number.

It is an amenable number.

12843195725 is a deficient number, since it is larger than the sum of its proper divisors (3083782279).

12843195725 is a wasteful number, since it uses less digits than its factorization.

12843195725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45664 (or 45659 counting only the distinct ones).

The product of its digits is 604800, while the sum is 47.

The spelling of 12843195725 in words is "twelve billion, eight hundred forty-three million, one hundred ninety-five thousand, seven hundred twenty-five".