212412211 has 12 divisors (see below), whose sum is σ = 239998824. Its totient is φ = 186435200.

The previous prime is 212412203. The next prime is 212412241. The reversal of 212412211 is 112214212.

212412211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212412211 - 2³ = 212412203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212412241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2230 + ... + 20731.

It is an arithmetic number, because the mean of its divisors is an integer number (19999902).

Almost surely, 2^212412211 is an apocalyptic number.

212412211 is a deficient number, since it is larger than the sum of its proper divisors (27586613).

212412211 is a wasteful number, since it uses less digits than its factorization.

212412211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23030 (or 23001 counting only the distinct ones).

The product of its digits is 64, while the sum is 16.

The square root of 212412211 is about 14574.3682881969. The cubic root of 212412211 is about 596.6594084126.

Adding to 212412211 its reverse (112214212), we get a palindrome (324626423).

The spelling of 212412211 in words is "two hundred twelve million, four hundred twelve thousand, two hundred eleven".