811043516212 has 12 divisors (see below), whose sum is σ = 1426757181696. Its totient is φ = 403398607160.

The previous prime is 811043516161. The next prime is 811043516243. The reversal of 811043516212 is 212615340118.

It is a congruent number.

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, 530786878 + ... + 530788405.

It is an arithmetic number, because the mean of its divisors is an integer number (118896431808).

Almost surely, 2^811043516212 is an apocalyptic number.

It is an amenable number.

811043516212 is a deficient number, since it is larger than the sum of its proper divisors (615713665484).

811043516212 is a wasteful number, since it uses less digits than its factorization.

811043516212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061575478 (or 1061575476 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 811043516212 in words is "eight hundred eleven billion, forty-three million, five hundred sixteen thousand, two hundred twelve".