208858810028012 has 48 divisors (see below), whose sum is σ = 374935733410560. Its totient is φ = 101769063681600.

The previous prime is 208858810028009. The next prime is 208858810028027. The reversal of 208858810028012 is 210820018858802.

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, 10194587 + ... + 22839597.

It is an arithmetic number, because the mean of its divisors is an integer number (7811161112720).

Almost surely, 2^{208858810028012} is an apocalyptic number.

It is an amenable number.

208858810028012 is a deficient number, since it is larger than the sum of its proper divisors (166076923382548).

208858810028012 is a wasteful number, since it uses less digits than its factorization.

208858810028012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12645702 (or 12645700 counting only the distinct ones).

The product of its (nonzero) digits is 1310720, while the sum is 53.

The spelling of 208858810028012 in words is "two hundred eight trillion, eight hundred fifty-eight billion, eight hundred ten million, twenty-eight thousand, twelve".