123220113201 has 48 divisors (see below), whose sum is σ = 190373976000. Its totient is φ = 76528241664.

The previous prime is 123220113187. The next prime is 123220113301. The reversal of 123220113201 is 102311022321.

123220113201 is a `hidden beast` number, since 12 + 322 + 0 + 11 + 320 + 1 = 666.

It is not a de Polignac number, because 123220113201 - 2⁹ = 123220112689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123220113001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26502325 + ... + 26506973.

It is an arithmetic number, because the mean of its divisors is an integer number (3966124500).

Almost surely, 2^123220113201 is an apocalyptic number.

It is an amenable number.

123220113201 is a deficient number, since it is larger than the sum of its proper divisors (67153862799).

123220113201 is a wasteful number, since it uses less digits than its factorization.

123220113201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6398 (or 6395 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 123220113201 its reverse (102311022321), we get a palindrome (225531135522).

The spelling of 123220113201 in words is "one hundred twenty-three billion, two hundred twenty million, one hundred thirteen thousand, two hundred one".