212314013 has 4 divisors (see below), whose sum is σ = 212368188. Its totient is φ = 212259840.

The previous prime is 212313971. The next prime is 212314033. The reversal of 212314013 is 310413212.

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 103591684 + 108722329 = 10178^2 + 10427^2 .

It is a cyclic number.

It is not a de Polignac number, because 212314013 - 2⁸ = 212313757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212313982 and 212314000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212314033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20708 + ... + 29213.

It is an arithmetic number, because the mean of its divisors is an integer number (53092047).

Almost surely, 2^212314013 is an apocalyptic number.

It is an amenable number.

212314013 is a deficient number, since it is larger than the sum of its proper divisors (54175).

212314013 is an equidigital number, since it uses as much as digits as its factorization.

212314013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54174.

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

The square root of 212314013 is about 14570.9990391874. Note that the first 3 decimals coincide. The cubic root of 212314013 is about 596.5674491801.

Adding to 212314013 its reverse (310413212), we get a palindrome (522727225).

The spelling of 212314013 in words is "two hundred twelve million, three hundred fourteen thousand, thirteen".