212012341 has 4 divisors (see below), whose sum is σ = 212215500. Its totient is φ = 211809184.

The previous prime is 212012299. The next prime is 212012351. The reversal of 212012341 is 143210212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 162027441 + 49984900 = 12729^2 + 7070^2 .

It is a cyclic number.

It is not a de Polignac number, because 212012341 - 2⁹ = 212011829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100006 + ... + 102103.

It is an arithmetic number, because the mean of its divisors is an integer number (53053875).

Almost surely, 2^212012341 is an apocalyptic number.

It is an amenable number.

212012341 is a deficient number, since it is larger than the sum of its proper divisors (203159).

212012341 is a wasteful number, since it uses less digits than its factorization.

212012341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203158.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 212012341 is about 14560.6435640737. The cubic root of 212012341 is about 596.2847656875.

Adding to 212012341 its reverse (143210212), we get a palindrome (355222553).

The spelling of 212012341 in words is "two hundred twelve million, twelve thousand, three hundred forty-one".