9209442124128 has 96 divisors (see below), whose sum is σ = 25653420576000. Its totient is φ = 2886575284736.

The previous prime is 9209442124081. The next prime is 9209442124147. The reversal of 9209442124128 is 8214212449029.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 35216703 + ... + 35477246.

It is an arithmetic number, because the mean of its divisors is an integer number (267223131000).

Almost surely, 2^{9209442124128} is an apocalyptic number.

It is an amenable number.

9209442124128 is an abundant number, since it is smaller than the sum of its proper divisors (16443978451872).

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

9209442124128 is a wasteful number, since it uses less digits than its factorization.

9209442124128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70694044 (or 70694036 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 9209442124128 in words is "nine trillion, two hundred nine billion, four hundred forty-two million, one hundred twenty-four thousand, one hundred twenty-eight".