9216121248 has 48 divisors (see below), whose sum is σ = 26880356160. Its totient is φ = 3072040128.

The previous prime is 9216121237. The next prime is 9216121261. The reversal of 9216121248 is 8421216129.

9216121248 is a `hidden beast` number, since 9 + 21 + 612 + 12 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

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, 5332540 + ... + 5334267.

It is an arithmetic number, because the mean of its divisors is an integer number (560007420).

Almost surely, 2^9216121248 is an apocalyptic number.

It is an amenable number.

9216121248 is an abundant number, since it is smaller than the sum of its proper divisors (17664234912).

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

9216121248 is a wasteful number, since it uses less digits than its factorization.

9216121248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10666826 (or 10666812 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 9216121248 is about 96000.6314979230. The cubic root of 9216121248 is about 2096.6023097612.

The spelling of 9216121248 in words is "nine billion, two hundred sixteen million, one hundred twenty-one thousand, two hundred forty-eight".