200031012 has 96 divisors (see below), whose sum is σ = 558835200. Its totient is φ = 61671456.

The previous prime is 200031011. The next prime is 200031071. The reversal of 200031012 is 210130002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200030985 and 200031003.

It is not an unprimeable number, because it can be changed into a prime (200031011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87103 + ... + 89369.

It is an arithmetic number, because the mean of its divisors is an integer number (5821200).

Almost surely, 2^200031012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200031012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279417600).

200031012 is an abundant number, since it is smaller than the sum of its proper divisors (358804188).

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

200031012 is a wasteful number, since it uses less digits than its factorization.

200031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342 (or 2334 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 200031012 is about 14143.2320210057. The cubic root of 200031012 is about 584.8337726264.

Adding to 200031012 its reverse (210130002), we get a palindrome (410161014).

The spelling of 200031012 in words is "two hundred million, thirty-one thousand, twelve".