209030011203 has 64 divisors (see below), whose sum is σ = 320841077760. Its totient is φ = 119980320768.

The previous prime is 209030011159. The next prime is 209030011219. The reversal of 209030011203 is 302110030902.

It is a happy number.

It is a Cunningham number, because it is equal to 457198²-1.

It is not a de Polignac number, because 209030011203 - 2¹⁸ = 209029749059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 209030011203.

It is not an unprimeable number, because it can be changed into a prime (209030011243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33372250 + ... + 33378512.

It is an arithmetic number, because the mean of its divisors is an integer number (5013141840).

Almost surely, 2^209030011203 is an apocalyptic number.

209030011203 is a deficient number, since it is larger than the sum of its proper divisors (111811066557).

209030011203 is a wasteful number, since it uses less digits than its factorization.

209030011203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6988.

The product of its (nonzero) digits is 324, while the sum is 21.

The spelling of 209030011203 in words is "two hundred nine billion, thirty million, eleven thousand, two hundred three".