206042111312 has 20 divisors (see below), whose sum is σ = 420217464480. Its totient is φ = 97598894688.

The previous prime is 206042111251. The next prime is 206042111357. The reversal of 206042111312 is 213111240602.

206042111312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×206042111312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338884748 + ... + 338885355.

It is an arithmetic number, because the mean of its divisors is an integer number (21010873224).

Almost surely, 2^206042111312 is an apocalyptic number.

It is an amenable number.

206042111312 is an abundant number, since it is smaller than the sum of its proper divisors (214175353168).

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

206042111312 is a wasteful number, since it uses less digits than its factorization.

206042111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677770130 (or 677770124 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 206042111312 its reverse (213111240602), we get a palindrome (419153351914).

The spelling of 206042111312 in words is "two hundred six billion, forty-two million, one hundred eleven thousand, three hundred twelve".