201230223122 has 8 divisors (see below), whose sum is σ = 306350489136. Its totient is φ = 99113393412.

The previous prime is 201230223113. The next prime is 201230223149. The reversal of 201230223122 is 221322032102.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 201230223094 and 201230223103.

It is an unprimeable number.

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, 750858908 + ... + 750859175.

It is an arithmetic number, because the mean of its divisors is an integer number (38293811142).

Almost surely, 2^201230223122 is an apocalyptic number.

201230223122 is a deficient number, since it is larger than the sum of its proper divisors (105120266014).

201230223122 is a wasteful number, since it uses less digits than its factorization.

201230223122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501718152.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 201230223122 its reverse (221322032102), we get a palindrome (422552255224).

The spelling of 201230223122 in words is "two hundred one billion, two hundred thirty million, two hundred twenty-three thousand, one hundred twenty-two".