212464211 has 2 divisors, whose sum is σ = 212464212. Its totient is φ = 212464210.

The previous prime is 212464207. The next prime is 212464223. The reversal of 212464211 is 112464212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212464211 - 2² = 212464207 is a prime.

It is not a weakly prime, because it can be changed into another prime (212464261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106232105 + 106232106.

It is an arithmetic number, because the mean of its divisors is an integer number (106232106).

Almost surely, 2^212464211 is an apocalyptic number.

212464211 is a deficient number, since it is larger than the sum of its proper divisors (1).

212464211 is an equidigital number, since it uses as much as digits as its factorization.

212464211 is an odious number, because the sum of its binary digits is odd.

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

The square root of 212464211 is about 14576.1521328504. The cubic root of 212464211 is about 596.7080932436.

Subtracting from 212464211 its reverse (112464212), we obtain a palindrome (99999999).

The spelling of 212464211 in words is "two hundred twelve million, four hundred sixty-four thousand, two hundred eleven".