123220112301 has 256 divisors, whose sum is σ = 233185075200. Its totient is φ = 63347961600.

The previous prime is 123220112263. The next prime is 123220112333. The reversal of 123220112301 is 103211022321.

123220112301 is a `hidden beast` number, since 1 + 232 + 20 + 112 + 301 = 666.

It is not a de Polignac number, because 123220112301 - 2⁷ = 123220112173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123220112341) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2020001811 + ... + 2020001871.

It is an arithmetic number, because the mean of its divisors is an integer number (910879200).

Almost surely, 2^123220112301 is an apocalyptic number.

123220112301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123220112301 is a deficient number, since it is larger than the sum of its proper divisors (109964962899).

123220112301 is a wasteful number, since it uses less digits than its factorization.

123220112301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 154 counting only the distinct ones).

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

Adding to 123220112301 its reverse (103211022321), we get a palindrome (226431134622).

The spelling of 123220112301 in words is "one hundred twenty-three billion, two hundred twenty million, one hundred twelve thousand, three hundred one".