99012201 has 8 divisors (see below), whose sum is σ = 133687680. Its totient is φ = 65172432.

The previous prime is 99012191. The next prime is 99012227. The reversal of 99012201 is 10221099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99012201 - 2⁵ = 99012169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99012271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208650 + ... + 209123.

It is an arithmetic number, because the mean of its divisors is an integer number (16710960).

Almost surely, 2^99012201 is an apocalyptic number.

It is an amenable number.

99012201 is a deficient number, since it is larger than the sum of its proper divisors (34675479).

99012201 is a wasteful number, since it uses less digits than its factorization.

99012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417855.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 99012201 is about 9950.4874754959. The cubic root of 99012201 is about 462.6255043865.

The spelling of 99012201 in words is "ninety-nine million, twelve thousand, two hundred one".