99012203 has 4 divisors (see below), whose sum is σ = 99426720. Its totient is φ = 98597688.

The previous prime is 99012191. The next prime is 99012227. The reversal of 99012203 is 30221099.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99012203 - 2²⁴ = 82234987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99012283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206900 + ... + 207377.

It is an arithmetic number, because the mean of its divisors is an integer number (24856680).

Almost surely, 2^99012203 is an apocalyptic number.

99012203 is a deficient number, since it is larger than the sum of its proper divisors (414517).

99012203 is a wasteful number, since it uses less digits than its factorization.

99012203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414516.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 99012203 is about 9950.4875759934. The cubic root of 99012203 is about 462.6255075014.

The spelling of 99012203 in words is "ninety-nine million, twelve thousand, two hundred three".