650203212 has 12 divisors (see below), whose sum is σ = 1517140856. Its totient is φ = 216734400.

The previous prime is 650203193. The next prime is 650203241. The reversal of 650203212 is 212302056.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27091789 + ... + 27091812.

Almost surely, 2^650203212 is an apocalyptic number.

It is an amenable number.

650203212 is an abundant number, since it is smaller than the sum of its proper divisors (866937644).

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

650203212 is a wasteful number, since it uses less digits than its factorization.

650203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54183608 (or 54183606 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 650203212 is about 25499.0825717319. The cubic root of 650203212 is about 866.3293678229.

Adding to 650203212 its reverse (212302056), we get a palindrome (862505268).

The spelling of 650203212 in words is "six hundred fifty million, two hundred three thousand, two hundred twelve".