851154440012 has 12 divisors (see below), whose sum is σ = 1577139109560. Its totient is φ = 400543265856.

The previous prime is 851154440011. The next prime is 851154440041. The reversal of 851154440012 is 210044451158.

It is not an unprimeable number, because it can be changed into a prime (851154440011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6258488462 + ... + 6258488597.

It is an arithmetic number, because the mean of its divisors is an integer number (131428259130).

Almost surely, 2^851154440012 is an apocalyptic number.

It is an amenable number.

851154440012 is a deficient number, since it is larger than the sum of its proper divisors (725984669548).

851154440012 is a wasteful number, since it uses less digits than its factorization.

851154440012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12516977080 (or 12516977078 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 35.

The spelling of 851154440012 in words is "eight hundred fifty-one billion, one hundred fifty-four million, four hundred forty thousand, twelve".