212021100323 has 32 divisors (see below), whose sum is σ = 225045596160. Its totient is φ = 199475136000.

The previous prime is 212021100311. The next prime is 212021100367. The reversal of 212021100323 is 323001120212.

It is a cyclic number.

It is not a de Polignac number, because 212021100323 - 2¹² = 212021096227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212021100923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63344936 + ... + 63348282.

It is an arithmetic number, because the mean of its divisors is an integer number (7032674880).

Almost surely, 2^212021100323 is an apocalyptic number.

212021100323 is a deficient number, since it is larger than the sum of its proper divisors (13024495837).

212021100323 is a wasteful number, since it uses less digits than its factorization.

212021100323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819.

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

Adding to 212021100323 its reverse (323001120212), we get a palindrome (535022220535).

The spelling of 212021100323 in words is "two hundred twelve billion, twenty-one million, one hundred thousand, three hundred twenty-three".