20000212213211 has 4 divisors (see below), whose sum is σ = 20000254014312. Its totient is φ = 20000170412112.

The previous prime is 20000212213199. The next prime is 20000212213279. The reversal of 20000212213211 is 11231221200002.

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 20000212213211 - 2¹⁴ = 20000212196827 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 20000212213211.

It is not an unprimeable number, because it can be changed into a prime (20000212210211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20174450 + ... + 21142583.

It is an arithmetic number, because the mean of its divisors is an integer number (5000063503578).

Almost surely, 2^{20000212213211} is an apocalyptic number.

20000212213211 is a deficient number, since it is larger than the sum of its proper divisors (41801101).

20000212213211 is an equidigital number, since it uses as much as digits as its factorization.

20000212213211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41801100.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20000212213211 its reverse (11231221200002), we get a palindrome (31231433413213).

The spelling of 20000212213211 in words is "twenty trillion, two hundred twelve million, two hundred thirteen thousand, two hundred eleven".