212021323203 has 8 divisors (see below), whose sum is σ = 282718740816. Its totient is φ = 141335727200.

The previous prime is 212021323193. The next prime is 212021323229. The reversal of 212021323203 is 302323120212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212021323203 - 2⁶ = 212021323139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212021323203.

It is not an unprimeable number, because it can be changed into a prime (212021323603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2913468 + ... + 2985353.

It is an arithmetic number, because the mean of its divisors is an integer number (35339842602).

Almost surely, 2^212021323203 is an apocalyptic number.

212021323203 is a deficient number, since it is larger than the sum of its proper divisors (70697417613).

212021323203 is a wasteful number, since it uses less digits than its factorization.

212021323203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5910805.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212021323203 its reverse (302323120212), we get a palindrome (514344443415).

The spelling of 212021323203 in words is "two hundred twelve billion, twenty-one million, three hundred twenty-three thousand, two hundred three".