12194750428 has 12 divisors (see below), whose sum is σ = 24389500912. Its totient is φ = 5226321600.

The previous prime is 12194750389. The next prime is 12194750429. The reversal of 12194750428 is 82405749121.

12194750428 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12194750429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217763373 + ... + 217763428.

Almost surely, 2^12194750428 is an apocalyptic number.

It is an amenable number.

12194750428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12194750428 is a wasteful number, since it uses less digits than its factorization.

12194750428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435526812 (or 435526810 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 12194750428 in words is "twelve billion, one hundred ninety-four million, seven hundred fifty thousand, four hundred twenty-eight".