206465257812 has 48 divisors (see below), whose sum is σ = 526329058752. Its totient is φ = 62472238080.

The previous prime is 206465257799. The next prime is 206465257849. The reversal of 206465257812 is 218752564602.

It is a congruent number.

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, 1073223 + ... + 1250894.

It is an arithmetic number, because the mean of its divisors is an integer number (10965188724).

Almost surely, 2^206465257812 is an apocalyptic number.

206465257812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

206465257812 is an abundant number, since it is smaller than the sum of its proper divisors (319863800940).

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

206465257812 is a wasteful number, since it uses less digits than its factorization.

206465257812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324808 (or 2324806 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 206465257812 in words is "two hundred six billion, four hundred sixty-five million, two hundred fifty-seven thousand, eight hundred twelve".