123221030201 has 4 divisors (see below), whose sum is σ = 129706347600. Its totient is φ = 116735712804.

The previous prime is 123221030197. The next prime is 123221030213. The reversal of 123221030201 is 102030122321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123221030201 - 2² = 123221030197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123221030201.

It is not an unprimeable number, because it can be changed into a prime (123221030281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3242658671 + ... + 3242658708.

It is an arithmetic number, because the mean of its divisors is an integer number (32426586900).

Almost surely, 2^123221030201 is an apocalyptic number.

It is an amenable number.

123221030201 is a deficient number, since it is larger than the sum of its proper divisors (6485317399).

123221030201 is an equidigital number, since it uses as much as digits as its factorization.

123221030201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6485317398.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123221030201 its reverse (102030122321), we get a palindrome (225251152522).

The spelling of 123221030201 in words is "one hundred twenty-three billion, two hundred twenty-one million, thirty thousand, two hundred one".