12195190250 has 32 divisors (see below), whose sum is σ = 22836902400. Its totient is φ = 4876472400.

The previous prime is 12195190213. The next prime is 12195190277. The reversal of 12195190250 is 5209159121.

It is a self number, because there is not a number n which added to its sum of digits gives 12195190250.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1013771 + ... + 1025729.

It is an arithmetic number, because the mean of its divisors is an integer number (713653200).

Almost surely, 2^12195190250 is an apocalyptic number.

12195190250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12195190250 is a deficient number, since it is larger than the sum of its proper divisors (10641712150).

12195190250 is a wasteful number, since it uses less digits than its factorization.

12195190250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16055 (or 16045 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 35.

The spelling of 12195190250 in words is "twelve billion, one hundred ninety-five million, one hundred ninety thousand, two hundred fifty".