206121645314 has 24 divisors (see below), whose sum is σ = 335041956612. Its totient is φ = 95062955520.

The previous prime is 206121645259. The next prime is 206121645361. The reversal of 206121645314 is 413546121602.

206121645314 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 55020739225 + 151100906089 = 234565^2 + 388717^2 .

It is a super-2 number, since 2×206121645314² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235982 + ... + 684054.

Almost surely, 2^206121645314 is an apocalyptic number.

206121645314 is a deficient number, since it is larger than the sum of its proper divisors (128920311298).

206121645314 is a wasteful number, since it uses less digits than its factorization.

206121645314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449462 (or 449449 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 206121645314 its reverse (413546121602), we get a palindrome (619667766916).

The spelling of 206121645314 in words is "two hundred six billion, one hundred twenty-one million, six hundred forty-five thousand, three hundred fourteen".