212421341 has 16 divisors (see below), whose sum is σ = 250594560. Its totient is φ = 177876480.

The previous prime is 212421323. The next prime is 212421359. The reversal of 212421341 is 143124212.

It is an interprime number because it is at equal distance from previous prime (212421323) and next prime (212421359).

It is a cyclic number.

It is not a de Polignac number, because 212421341 - 2¹⁴ = 212404957 is a prime.

It is a super-2 number, since 2×212421341² = 90245652224476562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212421361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3296 + ... + 20873.

It is an arithmetic number, because the mean of its divisors is an integer number (15662160).

Almost surely, 2^212421341 is an apocalyptic number.

It is an amenable number.

212421341 is a deficient number, since it is larger than the sum of its proper divisors (38173219).

212421341 is a wasteful number, since it uses less digits than its factorization.

212421341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24244.

The product of its digits is 384, while the sum is 20.

The square root of 212421341 is about 14574.6815059541. The cubic root of 212421341 is about 596.6679569205.

Adding to 212421341 its reverse (143124212), we get a palindrome (355545553).

The spelling of 212421341 in words is "two hundred twelve million, four hundred twenty-one thousand, three hundred forty-one".