201201112123 has 8 divisors (see below), whose sum is σ = 231044339520. Its totient is φ = 173283254280.

The previous prime is 201201112121. The next prime is 201201112127. The reversal of 201201112123 is 321211102102.

201201112123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 201201112123 - 2¹ = 201201112121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201201112097 and 201201112106.

It is not an unprimeable number, because it can be changed into a prime (201201112121) 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 7 ways as a sum of consecutive naturals, for example, 481342165 + ... + 481342582.

It is an arithmetic number, because the mean of its divisors is an integer number (28880542440).

Almost surely, 2^201201112123 is an apocalyptic number.

201201112123 is a deficient number, since it is larger than the sum of its proper divisors (29843227397).

201201112123 is a wasteful number, since it uses less digits than its factorization.

201201112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962684777.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 201201112123 its reverse (321211102102), we get a palindrome (522412214225).

The spelling of 201201112123 in words is "two hundred one billion, two hundred one million, one hundred twelve thousand, one hundred twenty-three".