212340411 has 6 divisors (see below), whose sum is σ = 306713940. Its totient is φ = 141560268.

The previous prime is 212340397. The next prime is 212340413. The reversal of 212340411 is 114043212.

212340411 is a `hidden beast` number, since 21 + 234 + 0 + 411 = 666.

212340411 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 212340411 - 2⁵ = 212340379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212340413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11796681 + ... + 11796698.

It is an arithmetic number, because the mean of its divisors is an integer number (51118990).

Almost surely, 2^212340411 is an apocalyptic number.

212340411 is a deficient number, since it is larger than the sum of its proper divisors (94373529).

212340411 is a wasteful number, since it uses less digits than its factorization.

212340411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23593385 (or 23593382 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 212340411 is about 14571.9048514599. The cubic root of 212340411 is about 596.5921728345.

Adding to 212340411 its reverse (114043212), we get a palindrome (326383623).

It can be divided in two parts, 21 and 2340411, that added together give a palindrome (2340432).

The spelling of 212340411 in words is "two hundred twelve million, three hundred forty thousand, four hundred eleven".