208262651537012 has 6 divisors (see below), whose sum is σ = 364459640189778. Its totient is φ = 104131325768504.

The previous prime is 208262651536913. The next prime is 208262651537023. The reversal of 208262651537012 is 210735156262802.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 199755652648036 + 8506998888976 = 14133494^2 + 2916676^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26032831442123 + ... + 26032831442130.

It is an arithmetic number, because the mean of its divisors is an integer number (60743273364963).

Almost surely, 2^{208262651537012} is an apocalyptic number.

It is an amenable number.

208262651537012 is a deficient number, since it is larger than the sum of its proper divisors (156196988652766).

208262651537012 is a wasteful number, since it uses less digits than its factorization.

208262651537012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52065662884257 (or 52065662884255 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 208262651537012 in words is "two hundred eight trillion, two hundred sixty-two billion, six hundred fifty-one million, five hundred thirty-seven thousand, twelve".