12190351728 has 40 divisors (see below), whose sum is σ = 31599258768. Its totient is φ = 4049577472.

The previous prime is 12190351703. The next prime is 12190351757. The reversal of 12190351728 is 82715309121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419325 + ... + 447452.

Almost surely, 2^12190351728 is an apocalyptic number.

It is an amenable number.

12190351728 is an abundant number, since it is smaller than the sum of its proper divisors (19408907040).

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

12190351728 is a wasteful number, since it uses less digits than its factorization.

12190351728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867081 (or 867075 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The spelling of 12190351728 in words is "twelve billion, one hundred ninety million, three hundred fifty-one thousand, seven hundred twenty-eight".