208268683512 has 32 divisors (see below), whose sum is σ = 521372522880. Its totient is φ = 69329452640.

The previous prime is 208268683481. The next prime is 208268683517. The reversal of 208268683512 is 215386862802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208268683517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5821914 + ... + 5857577.

It is an arithmetic number, because the mean of its divisors is an integer number (16292891340).

Almost surely, 2^208268683512 is an apocalyptic number.

It is an amenable number.

208268683512 is an abundant number, since it is smaller than the sum of its proper divisors (313103839368).

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

208268683512 is a wasteful number, since it uses less digits than its factorization.

208268683512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11680243 (or 11680239 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

It can be divided in two parts, 208268 and 683512, that added together give a triangular number (891780 = T₁₃₃₅).

The spelling of 208268683512 in words is "two hundred eight billion, two hundred sixty-eight million, six hundred eighty-three thousand, five hundred twelve".