12175085428 has 48 divisors (see below), whose sum is σ = 24095050560. Its totient is φ = 5332140800.

The previous prime is 12175085407. The next prime is 12175085453. The reversal of 12175085428 is 82458057121.

It is a congruent number.

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, 616800 + ... + 636232.

It is an arithmetic number, because the mean of its divisors is an integer number (501980220).

Almost surely, 2^12175085428 is an apocalyptic number.

It is an amenable number.

12175085428 is a deficient number, since it is larger than the sum of its proper divisors (11919965132).

12175085428 is a wasteful number, since it uses less digits than its factorization.

12175085428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19968 (or 19966 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 43.

The spelling of 12175085428 in words is "twelve billion, one hundred seventy-five million, eighty-five thousand, four hundred twenty-eight".