200023231212 has 72 divisors (see below), whose sum is σ = 593462347296. Its totient is φ = 55604911104.

The previous prime is 200023231183. The next prime is 200023231217. The reversal of 200023231212 is 212132320002.

200023231212 is a `hidden beast` number, since 200 + 0 + 23 + 231 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (200023231217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10716933 + ... + 10735580.

Almost surely, 2^200023231212 is an apocalyptic number.

It is an amenable number.

200023231212 is an abundant number, since it is smaller than the sum of its proper divisors (393439116084).

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

200023231212 is a wasteful number, since it uses less digits than its factorization.

200023231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21452567 (or 21452562 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 200023231212 its reverse (212132320002), we get a palindrome (412155551214).

The spelling of 200023231212 in words is "two hundred billion, twenty-three million, two hundred thirty-one thousand, two hundred twelve".