9012200001 has 48 divisors (see below), whose sum is σ = 14403934656. Its totient is φ = 4993881984.

The previous prime is 9012199997. The next prime is 9012200017. The reversal of 9012200001 is 1000022109.

It is a happy number.

It is not a de Polignac number, because 9012200001 - 2² = 9012199997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9012200081) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1721550 + ... + 1726776.

It is an arithmetic number, because the mean of its divisors is an integer number (300081972).

Almost surely, 2^9012200001 is an apocalyptic number.

It is an amenable number.

9012200001 is a deficient number, since it is larger than the sum of its proper divisors (5391734655).

9012200001 is a wasteful number, since it uses less digits than its factorization.

9012200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5598 (or 5591 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 9012200001 is about 94932.6076803961. The cubic root of 9012200001 is about 2081.0232884850.

The spelling of 9012200001 in words is "nine billion, twelve million, two hundred thousand, one".