12201508428 has 12 divisors (see below), whose sum is σ = 28470186360. Its totient is φ = 4067169472.

The previous prime is 12201508411. The next prime is 12201508453. The reversal of 12201508428 is 82480510221.

12201508428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508396173 + ... + 508396196.

It is an arithmetic number, because the mean of its divisors is an integer number (2372515530).

Almost surely, 2^12201508428 is an apocalyptic number.

It is an amenable number.

12201508428 is an abundant number, since it is smaller than the sum of its proper divisors (16268677932).

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

12201508428 is a wasteful number, since it uses less digits than its factorization.

12201508428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016792376 (or 1016792374 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The spelling of 12201508428 in words is "twelve billion, two hundred one million, five hundred eight thousand, four hundred twenty-eight".