212300322121211 has 4 divisors (see below), whose sum is σ = 219148719609024. Its totient is φ = 205451924633400.

The previous prime is 212300322121207. The next prime is 212300322121241. The reversal of 212300322121211 is 112121223003212.

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 212300322121211 - 2² = 212300322121207 is a prime.

It is a super-2 number, since 2×212300322121211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212300322121241) 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, 3424198743860 + ... + 3424198743921.

It is an arithmetic number, because the mean of its divisors is an integer number (54787179902256).

Almost surely, 2^{212300322121211} is an apocalyptic number.

212300322121211 is a deficient number, since it is larger than the sum of its proper divisors (6848397487813).

212300322121211 is an equidigital number, since it uses as much as digits as its factorization.

212300322121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6848397487812.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 212300322121211 its reverse (112121223003212), we get a palindrome (324421545124423).

The spelling of 212300322121211 in words is "two hundred twelve trillion, three hundred billion, three hundred twenty-two million, one hundred twenty-one thousand, two hundred eleven".