12500081852 has 6 divisors (see below), whose sum is σ = 21875143248. Its totient is φ = 6250040924.

The previous prime is 12500081821. The next prime is 12500081879. The reversal of 12500081852 is 25818000521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562510228 + ... + 1562510235.

It is an arithmetic number, because the mean of its divisors is an integer number (3645857208).

Almost surely, 2^12500081852 is an apocalyptic number.

It is an amenable number.

12500081852 is a deficient number, since it is larger than the sum of its proper divisors (9375061396).

12500081852 is a wasteful number, since it uses less digits than its factorization.

12500081852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125020467 (or 3125020465 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 32.

The spelling of 12500081852 in words is "twelve billion, five hundred million, eighty-one thousand, eight hundred fifty-two".