206236344412 has 72 divisors (see below), whose sum is σ = 423578559600. Its totient is φ = 87601764096.

The previous prime is 206236344403. The next prime is 206236344421. The reversal of 206236344412 is 214443632602.

It is an interprime number because it is at equal distance from previous prime (206236344403) and next prime (206236344421).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16803414 + ... + 16815682.

It is an arithmetic number, because the mean of its divisors is an integer number (5883035550).

Almost surely, 2^206236344412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206236344412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211789279800).

206236344412 is an abundant number, since it is smaller than the sum of its proper divisors (217342215188).

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

206236344412 is a wasteful number, since it uses less digits than its factorization.

206236344412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13043 (or 13034 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 206236344412 in words is "two hundred six billion, two hundred thirty-six million, three hundred forty-four thousand, four hundred twelve".