206506012 has 24 divisors (see below), whose sum is σ = 370948032. Its totient is φ = 100531200.

The previous prime is 206506007. The next prime is 206506033. The reversal of 206506012 is 210605602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109437 + ... + 111307.

It is an arithmetic number, because the mean of its divisors is an integer number (15456168).

Almost surely, 2^206506012 is an apocalyptic number.

It is an amenable number.

206506012 is a deficient number, since it is larger than the sum of its proper divisors (164442020).

206506012 is a wasteful number, since it uses less digits than its factorization.

206506012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589 (or 2587 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 206506012 is about 14370.3170459110. The cubic root of 206506012 is about 591.0772352567.

It can be divided in two parts, 20650 and 6012, that added together give a palindrome (26662).

The spelling of 206506012 in words is "two hundred six million, five hundred six thousand, twelve".