808129208812 has 12 divisors (see below), whose sum is σ = 1414235465496. Its totient is φ = 404061932960.

The previous prime is 808129208791. The next prime is 808129208827. The reversal of 808129208812 is 218802921808.

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, 114648 + ... + 1276480.

It is an arithmetic number, because the mean of its divisors is an integer number (117852955458).

Almost surely, 2^808129208812 is an apocalyptic number.

It is an amenable number.

808129208812 is a deficient number, since it is larger than the sum of its proper divisors (606106256684).

808129208812 is a wasteful number, since it uses less digits than its factorization.

808129208812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335728 (or 1335726 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 49.

The spelling of 808129208812 in words is "eight hundred eight billion, one hundred twenty-nine million, two hundred eight thousand, eight hundred twelve".