212210312203 has 4 divisors (see below), whose sum is σ = 212215527688. Its totient is φ = 212205096720.

The previous prime is 212210312201. The next prime is 212210312207. The reversal of 212210312203 is 302213012212.

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 212210312203 - 2¹ = 212210312201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212210312201) 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, 2546226 + ... + 2628247.

It is an arithmetic number, because the mean of its divisors is an integer number (53053881922).

Almost surely, 2^212210312203 is an apocalyptic number.

212210312203 is a deficient number, since it is larger than the sum of its proper divisors (5215485).

212210312203 is an equidigital number, since it uses as much as digits as its factorization.

212210312203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5215484.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212210312203 its reverse (302213012212), we get a palindrome (514423324415).

The spelling of 212210312203 in words is "two hundred twelve billion, two hundred ten million, three hundred twelve thousand, two hundred three".