6812012865 has 16 divisors (see below), whose sum is σ = 12456252288. Its totient is φ = 3114062976.

The previous prime is 6812012827. The next prime is 6812012917. The reversal of 6812012865 is 5682102186.

It is not a de Polignac number, because 6812012865 - 2¹¹ = 6812010817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32438052 + ... + 32438261.

It is an arithmetic number, because the mean of its divisors is an integer number (778515768).

Almost surely, 2^6812012865 is an apocalyptic number.

It is an amenable number.

6812012865 is a deficient number, since it is larger than the sum of its proper divisors (5644239423).

6812012865 is a wasteful number, since it uses less digits than its factorization.

6812012865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64876328.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 6812012865 is about 82534.9190645996. The cubic root of 6812012865 is about 1895.6514460460.

The spelling of 6812012865 in words is "six billion, eight hundred twelve million, twelve thousand, eight hundred sixty-five".