6531006212 has 12 divisors (see below), whose sum is σ = 12101570460. Its totient is φ = 3073414656.

The previous prime is 6531006199. The next prime is 6531006221. The reversal of 6531006212 is 2126001356.

It can be written as a sum of positive squares in 2 ways, for example, as 4647966976 + 1883039236 = 68176^2 + 43394^2 .

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, 48022037 + ... + 48022172.

It is an arithmetic number, because the mean of its divisors is an integer number (1008464205).

Almost surely, 2^6531006212 is an apocalyptic number.

It is an amenable number.

6531006212 is a deficient number, since it is larger than the sum of its proper divisors (5570564248).

6531006212 is a wasteful number, since it uses less digits than its factorization.

6531006212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96044230 (or 96044228 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 6531006212 is about 80814.6410744984. The cubic root of 6531006212 is about 1869.2183347884.

Adding to 6531006212 its reverse (2126001356), we get a palindrome (8657007568).

The spelling of 6531006212 in words is "six billion, five hundred thirty-one million, six thousand, two hundred twelve".