650215212 has 48 divisors (see below), whose sum is σ = 1555690752. Its totient is φ = 211256640.

The previous prime is 650215199. The next prime is 650215213. The reversal of 650215212 is 212512056.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (650215213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324598 + ... + 326594.

It is an arithmetic number, because the mean of its divisors is an integer number (32410224).

Almost surely, 2^650215212 is an apocalyptic number.

It is an amenable number.

650215212 is an abundant number, since it is smaller than the sum of its proper divisors (905475540).

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

650215212 is a wasteful number, since it uses less digits than its factorization.

650215212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678 (or 2676 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 650215212 is about 25499.3178732295. The cubic root of 650215212 is about 866.3346973816.

Adding to 650215212 its reverse (212512056), we get a palindrome (862727268).

The spelling of 650215212 in words is "six hundred fifty million, two hundred fifteen thousand, two hundred twelve".