206231213236 has 24 divisors (see below), whose sum is σ = 362630701440. Its totient is φ = 102623586912.

The previous prime is 206231213213. The next prime is 206231213269. The reversal of 206231213236 is 632312132602.

206231213236 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 206231213198 and 206231213207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579550 + ... + 865066.

It is an arithmetic number, because the mean of its divisors is an integer number (15109612560).

Almost surely, 2^206231213236 is an apocalyptic number.

It is an amenable number.

206231213236 is a deficient number, since it is larger than the sum of its proper divisors (156399488204).

206231213236 is a wasteful number, since it uses less digits than its factorization.

206231213236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286383 (or 286381 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 206231213236 its reverse (632312132602), we get a palindrome (838543345838).

The spelling of 206231213236 in words is "two hundred six billion, two hundred thirty-one million, two hundred thirteen thousand, two hundred thirty-six".