203212030211 has 4 divisors (see below), whose sum is σ = 209767257024. Its totient is φ = 196656803400.

The previous prime is 203212030207. The next prime is 203212030243. The reversal of 203212030211 is 112030212302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203212030211 - 2² = 203212030207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203212030211.

It is not an unprimeable number, because it can be changed into a prime (203212030261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3277613360 + ... + 3277613421.

It is an arithmetic number, because the mean of its divisors is an integer number (52441814256).

Almost surely, 2^203212030211 is an apocalyptic number.

203212030211 is a deficient number, since it is larger than the sum of its proper divisors (6555226813).

203212030211 is an equidigital number, since it uses as much as digits as its factorization.

203212030211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6555226812.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 203212030211 its reverse (112030212302), we get a palindrome (315242242513).

The spelling of 203212030211 in words is "two hundred three billion, two hundred twelve million, thirty thousand, two hundred eleven".