99012223201 has 2 divisors, whose sum is σ = 99012223202. Its totient is φ = 99012223200.

The previous prime is 99012223183. The next prime is 99012223231. The reversal of 99012223201 is 10232221099.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90916722576 + 8095500625 = 301524^2 + 89975^2 .

It is an emirp because it is prime and its reverse (10232221099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99012223201 - 2⁹ = 99012222689 is a prime.

It is not a weakly prime, because it can be changed into another prime (99012223231) 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 as a sum of consecutive naturals, namely, 49506111600 + 49506111601.

It is an arithmetic number, because the mean of its divisors is an integer number (49506111601).

Almost surely, 2^99012223201 is an apocalyptic number.

It is an amenable number.

99012223201 is a deficient number, since it is larger than the sum of its proper divisors (1).

99012223201 is an equidigital number, since it uses as much as digits as its factorization.

99012223201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 99012223201 in words is "ninety-nine billion, twelve million, two hundred twenty-three thousand, two hundred one".