201123133132 has 12 divisors (see below), whose sum is σ = 352217076400. Its totient is φ = 100489682736.

The previous prime is 201123133091. The next prime is 201123133139. The reversal of 201123133132 is 231331321102.

It is a super-2 number, since 2×201123133132² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201123133139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17964663 + ... + 17975854.

Almost surely, 2^201123133132 is an apocalyptic number.

It is an amenable number.

201123133132 is a deficient number, since it is larger than the sum of its proper divisors (151093943268).

201123133132 is a wasteful number, since it uses less digits than its factorization.

201123133132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35941920 (or 35941918 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 201123133132 its reverse (231331321102), we get a palindrome (432454454234).

The spelling of 201123133132 in words is "two hundred one billion, one hundred twenty-three million, one hundred thirty-three thousand, one hundred thirty-two".