206142312 has 32 divisors (see below), whose sum is σ = 531982080. Its totient is φ = 66497280.

The previous prime is 206142311. The next prime is 206142319. The reversal of 206142312 is 213241602.

206142312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (206142311) 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, 137793 + ... + 139280.

It is an arithmetic number, because the mean of its divisors is an integer number (16624440).

Almost surely, 2^206142312 is an apocalyptic number.

It is an amenable number.

206142312 is an abundant number, since it is smaller than the sum of its proper divisors (325839768).

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

206142312 is a wasteful number, since it uses less digits than its factorization.

206142312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277113 (or 277109 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 206142312 is about 14357.6569119059. The cubic root of 206142312 is about 590.7300280623.

Adding to 206142312 its reverse (213241602), we get a palindrome (419383914).

The spelling of 206142312 in words is "two hundred six million, one hundred forty-two thousand, three hundred twelve".