10091209128 has 128 divisors (see below), whose sum is σ = 33872670720. Its totient is φ = 2419464960.

The previous prime is 10091209127. The next prime is 10091209201. The reversal of 10091209128 is 82190219001.

10091209128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (10091209123) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 186000 + ... + 234047.

It is an arithmetic number, because the mean of its divisors is an integer number (264630240).

Almost surely, 2^10091209128 is an apocalyptic number.

It is an amenable number.

10091209128 is an abundant number, since it is smaller than the sum of its proper divisors (23781461592).

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

10091209128 is a wasteful number, since it uses less digits than its factorization.

10091209128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420087 (or 420083 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 10091209128 in words is "ten billion, ninety-one million, two hundred nine thousand, one hundred twenty-eight".