201123120032 has 24 divisors (see below), whose sum is σ = 405618734052. Its totient is φ = 98108838400.

The previous prime is 201123120013. The next prime is 201123120047. The reversal of 201123120032 is 230021321102.

It can be written as a sum of positive squares in 2 ways, for example, as 194054346256 + 7068773776 = 440516^2 + 84076^2 .

It is a super-2 number, since 2×201123120032² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76646219 + ... + 76648842.

Almost surely, 2^201123120032 is an apocalyptic number.

It is an amenable number.

201123120032 is an abundant number, since it is smaller than the sum of its proper divisors (204495614020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201123120032 is a wasteful number, since it uses less digits than its factorization.

201123120032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153295112 (or 153295104 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201123120032 its reverse (230021321102), we get a palindrome (431144441134).

The spelling of 201123120032 in words is "two hundred one billion, one hundred twenty-three million, one hundred twenty thousand, thirty-two".