200031221132 has 12 divisors (see below), whose sum is σ = 350065878120. Its totient is φ = 100012398816.

The previous prime is 200031221113. The next prime is 200031221183. The reversal of 200031221132 is 231122130002.

It is a super-2 number, since 2×200031221132² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200031221132.

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, 659978 + ... + 914129.

It is an arithmetic number, because the mean of its divisors is an integer number (29172156510).

Almost surely, 2^200031221132 is an apocalyptic number.

It is an amenable number.

200031221132 is a deficient number, since it is larger than the sum of its proper divisors (150034656988).

200031221132 is a wasteful number, since it uses less digits than its factorization.

200031221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605880 (or 1605878 counting only the distinct ones).

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

Adding to 200031221132 its reverse (231122130002), we get a palindrome (431153351134).

The spelling of 200031221132 in words is "two hundred billion, thirty-one million, two hundred twenty-one thousand, one hundred thirty-two".