212144203211 has 2 divisors, whose sum is σ = 212144203212. Its totient is φ = 212144203210.

The previous prime is 212144203189. The next prime is 212144203213. The reversal of 212144203211 is 112302441212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212144203211 is a prime.

Together with 212144203213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212144203213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106072101605 + 106072101606.

It is an arithmetic number, because the mean of its divisors is an integer number (106072101606).

Almost surely, 2^212144203211 is an apocalyptic number.

212144203211 is a deficient number, since it is larger than the sum of its proper divisors (1).

212144203211 is an equidigital number, since it uses as much as digits as its factorization.

212144203211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 212144203211 its reverse (112302441212), we get a palindrome (324446644423).

The spelling of 212144203211 in words is "two hundred twelve billion, one hundred forty-four million, two hundred three thousand, two hundred eleven".