6810122512 has 10 divisors (see below), whose sum is σ = 13194612398. Its totient is φ = 3405061248.

The previous prime is 6810122507. The next prime is 6810122513. The reversal of 6810122512 is 2152210186.

It can be written as a sum of positive squares in only one way, i.e., 5026242816 + 1783879696 = 70896^2 + 42236^2 .

It is not an unprimeable number, because it can be changed into a prime (6810122513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212816313 + ... + 212816344.

Almost surely, 2^6810122512 is an apocalyptic number.

It is an amenable number.

6810122512 is a deficient number, since it is larger than the sum of its proper divisors (6384489886).

6810122512 is a wasteful number, since it uses less digits than its factorization.

6810122512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425632665 (or 425632659 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 6810122512 is about 82523.4664322822. The cubic root of 6810122512 is about 1895.4760802624.

Adding to 6810122512 its reverse (2152210186), we get a palindrome (8962332698).

The spelling of 6810122512 in words is "six billion, eight hundred ten million, one hundred twenty-two thousand, five hundred twelve".