12143503250 has 64 divisors (see below), whose sum is σ = 23961225600. Its totient is φ = 4595572800.

The previous prime is 12143503237. The next prime is 12143503321. The reversal of 12143503250 is 5230534121.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5190581 + ... + 5192919.

It is an arithmetic number, because the mean of its divisors is an integer number (374394150).

Almost surely, 2^12143503250 is an apocalyptic number.

12143503250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12143503250 is a deficient number, since it is larger than the sum of its proper divisors (11817722350).

12143503250 is a wasteful number, since it uses less digits than its factorization.

12143503250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468 (or 3458 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 12143503250 in words is "twelve billion, one hundred forty-three million, five hundred three thousand, two hundred fifty".