201222012244123 has 48 divisors (see below), whose sum is σ = 219713008569600. Its totient is φ = 183192794525952.

The previous prime is 201222012244109. The next prime is 201222012244151. The reversal of 201222012244123 is 321442210222102.

It is not a de Polignac number, because 201222012244123 - 2⁵ = 201222012244091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201222012244091 and 201222012244100.

It is not an unprimeable number, because it can be changed into a prime (201222012244523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24281643286 + ... + 24281651572.

It is an arithmetic number, because the mean of its divisors is an integer number (4577354345200).

Almost surely, 2^{201222012244123} is an apocalyptic number.

201222012244123 is a deficient number, since it is larger than the sum of its proper divisors (18490996325477).

201222012244123 is a wasteful number, since it uses less digits than its factorization.

201222012244123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9204 (or 9065 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 201222012244123 its reverse (321442210222102), we get a palindrome (522664222466225).

The spelling of 201222012244123 in words is "two hundred one trillion, two hundred twenty-two billion, twelve million, two hundred forty-four thousand, one hundred twenty-three".