9122002120 has 256 divisors, whose sum is σ = 27433728000. Its totient is φ = 2642472960.

The previous prime is 9122002093. The next prime is 9122002129. The reversal of 9122002120 is 212002219.

It is not an unprimeable number, because it can be changed into a prime (9122002129) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4344831 + ... + 4346929.

It is an arithmetic number, because the mean of its divisors is an integer number (107163000).

Almost surely, 2^9122002120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9122002120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13716864000).

9122002120 is an abundant number, since it is smaller than the sum of its proper divisors (18311725880).

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

9122002120 is a wasteful number, since it uses less digits than its factorization.

9122002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228 (or 2224 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 9122002120 is about 95509.1729626008. The cubic root of 9122002120 is about 2089.4407300677.

Adding to 9122002120 its reverse (212002219), we get a palindrome (9334004339).

The spelling of 9122002120 in words is "nine billion, one hundred twenty-two million, two thousand, one hundred twenty".