8942123912 has 36 divisors (see below), whose sum is σ = 17054640855. Its totient is φ = 4395503376.

The previous prime is 8942123899. The next prime is 8942123921. The reversal of 8942123912 is 2193212498.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 4471061956 + 4471061956 = 66866^2 + 66866^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=66866.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8942123912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17919839 + ... + 17920337.

Almost surely, 2^8942123912 is an apocalyptic number.

It is an amenable number.

8942123912 is a deficient number, since it is larger than the sum of its proper divisors (8112516943).

8942123912 is an frugal number, since it uses more digits than its factorization.

8942123912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 568 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 8942123912 is about 94562.8040616394. The cubic root of 8942123912 is about 2075.6154490832.

The spelling of 8942123912 in words is "eight billion, nine hundred forty-two million, one hundred twenty-three thousand, nine hundred twelve".