212124411 has 12 divisors (see below), whose sum is σ = 311595960. Its totient is φ = 139019040.

The previous prime is 212124403. The next prime is 212124421. The reversal of 212124411 is 114421212.

212124411 is a `hidden beast` number, since 212 + 12 + 441 + 1 = 666.

It is not a de Polignac number, because 212124411 - 2³ = 212124403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212124421) 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, 199210 + ... + 200271.

It is an arithmetic number, because the mean of its divisors is an integer number (25966330).

Almost surely, 2^212124411 is an apocalyptic number.

212124411 is a deficient number, since it is larger than the sum of its proper divisors (99471549).

212124411 is a wasteful number, since it uses less digits than its factorization.

212124411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399546 (or 399543 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 212124411 is about 14564.4914432328. The cubic root of 212124411 is about 596.3898128153.

Adding to 212124411 its reverse (114421212), we get a palindrome (326545623).

The spelling of 212124411 in words is "two hundred twelve million, one hundred twenty-four thousand, four hundred eleven".