208012213652964 has 48 divisors (see below), whose sum is σ = 559788220252800. Its totient is φ = 58886812774656.

The previous prime is 208012213652959. The next prime is 208012213652977. The reversal of 208012213652964 is 469256312210802.

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, 11359329729 + ... + 11359348040.

It is an arithmetic number, because the mean of its divisors is an integer number (11662254588600).

Almost surely, 2^{208012213652964} is an apocalyptic number.

It is an amenable number.

208012213652964 is an abundant number, since it is smaller than the sum of its proper divisors (351776006599836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208012213652964 is a wasteful number, since it uses less digits than its factorization.

208012213652964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22718677892 (or 22718677890 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 208012213652964 in words is "two hundred eight trillion, twelve billion, two hundred thirteen million, six hundred fifty-two thousand, nine hundred sixty-four".