12175854412 has 36 divisors (see below), whose sum is σ = 21614582080. Its totient is φ = 6001373952.

The previous prime is 12175854401. The next prime is 12175854443. The reversal of 12175854412 is 21445857121.

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 11 ways as a sum of consecutive naturals, for example, 11389414 + ... + 11390482.

Almost surely, 2^12175854412 is an apocalyptic number.

It is an amenable number.

12175854412 is a deficient number, since it is larger than the sum of its proper divisors (9438727668).

12175854412 is a wasteful number, since it uses less digits than its factorization.

12175854412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522 (or 1407 counting only the distinct ones).

The product of its digits is 89600, while the sum is 40.

The spelling of 12175854412 in words is "twelve billion, one hundred seventy-five million, eight hundred fifty-four thousand, four hundred twelve".