6651202212 has 18 divisors (see below), whose sum is σ = 16812761238. Its totient is φ = 2217067392.

The previous prime is 6651202157. The next prime is 6651202231. The reversal of 6651202212 is 2122021566.

6651202212 is a `hidden beast` number, since 6 + 651 + 2 + 0 + 2 + 2 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3792589056 + 2858613156 = 61584^2 + 53466^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92377773 + ... + 92377844.

It is an arithmetic number, because the mean of its divisors is an integer number (934042291).

Almost surely, 2^6651202212 is an apocalyptic number.

It is an amenable number.

6651202212 is an abundant number, since it is smaller than the sum of its proper divisors (10161559026).

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

6651202212 is a wasteful number, since it uses less digits than its factorization.

6651202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184755627 (or 184755622 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 6651202212 is about 81554.9030530967. The cubic root of 6651202212 is about 1880.6156701681.

Adding to 6651202212 its reverse (2122021566), we get a palindrome (8773223778).

The spelling of 6651202212 in words is "six billion, six hundred fifty-one million, two hundred two thousand, two hundred twelve".