208226976812 has 24 divisors (see below), whose sum is σ = 376212974592. Its totient is φ = 100738645200.

The previous prime is 208226976707. The next prime is 208226976851. The reversal of 208226976812 is 218679622802.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 649523 + ... + 915605.

It is an arithmetic number, because the mean of its divisors is an integer number (15675540608).

Almost surely, 2^208226976812 is an apocalyptic number.

It is an amenable number.

208226976812 is a deficient number, since it is larger than the sum of its proper divisors (167985997780).

208226976812 is a wasteful number, since it uses less digits than its factorization.

208226976812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272429 (or 272427 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 208226976812 in words is "two hundred eight billion, two hundred twenty-six million, nine hundred seventy-six thousand, eight hundred twelve".