212341013 has 4 divisors (see below), whose sum is σ = 215249868. Its totient is φ = 209432160.

The previous prime is 212340911. The next prime is 212341027. The reversal of 212341013 is 310143212.

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 149646289 + 62694724 = 12233^2 + 7918^2 .

It is a cyclic number.

It is not a de Polignac number, because 212341013 - 2⁸ = 212340757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212340982 and 212341000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212341043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1454318 + ... + 1454463.

It is an arithmetic number, because the mean of its divisors is an integer number (53812467).

Almost surely, 2^212341013 is an apocalyptic number.

It is an amenable number.

212341013 is a deficient number, since it is larger than the sum of its proper divisors (2908855).

212341013 is an equidigital number, since it uses as much as digits as its factorization.

212341013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908854.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 212341013 is about 14571.9255076328. The cubic root of 212341013 is about 596.5927366276.

Adding to 212341013 its reverse (310143212), we get a palindrome (522484225).

The spelling of 212341013 in words is "two hundred twelve million, three hundred forty-one thousand, thirteen".