212841404 has 24 divisors (see below), whose sum is σ = 377077680. Its totient is φ = 105111296.

The previous prime is 212841403. The next prime is 212841437. The reversal of 212841404 is 404148212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212841403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217364 + ... + 218340.

It is an arithmetic number, because the mean of its divisors is an integer number (15711570).

Almost surely, 2^212841404 is an apocalyptic number.

It is an amenable number.

212841404 is a deficient number, since it is larger than the sum of its proper divisors (164236276).

212841404 is a wasteful number, since it uses less digits than its factorization.

212841404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 212841404 is about 14589.0850981136. The cubic root of 212841404 is about 597.0610013918.

Adding to 212841404 its reverse (404148212), we get a palindrome (616989616).

The spelling of 212841404 in words is "two hundred twelve million, eight hundred forty-one thousand, four hundred four".