320112123201 has 40 divisors (see below), whose sum is σ = 527536664424. Its totient is φ = 192187365120.

The previous prime is 320112123169. The next prime is 320112123209. The reversal of 320112123201 is 102321211023.

320112123201 is a `hidden beast` number, since 320 + 1 + 1 + 21 + 2 + 320 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 16185946176 + 303926177025 = 127224^2 + 551295^2 .

It is not a de Polignac number, because 320112123201 - 2⁵ = 320112123169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320112123209) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3664146 + ... + 3750491.

Almost surely, 2^320112123201 is an apocalyptic number.

It is an amenable number.

320112123201 is a deficient number, since it is larger than the sum of its proper divisors (207424541223).

320112123201 is a wasteful number, since it uses less digits than its factorization.

320112123201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7414703 (or 7414694 counting only the distinct ones).

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

Adding to 320112123201 its reverse (102321211023), we get a palindrome (422433334224).

The spelling of 320112123201 in words is "three hundred twenty billion, one hundred twelve million, one hundred twenty-three thousand, two hundred one".