212233013 has 2 divisors, whose sum is σ = 212233014. Its totient is φ = 212233012.

The previous prime is 212233003. The next prime is 212233031. The reversal of 212233013 is 310332212.

Together with next prime (212233031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204404209 + 7828804 = 14297^2 + 2798^2 .

It is a cyclic number.

It is not a de Polignac number, because 212233013 - 2¹⁶ = 212167477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212232982 and 212233000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212233003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106116506 + 106116507.

It is an arithmetic number, because the mean of its divisors is an integer number (106116507).

Almost surely, 2^212233013 is an apocalyptic number.

It is an amenable number.

212233013 is a deficient number, since it is larger than the sum of its proper divisors (1).

212233013 is an equidigital number, since it uses as much as digits as its factorization.

212233013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 212233013 is about 14568.2192803376. The cubic root of 212233013 is about 596.4915739719.

Adding to 212233013 its reverse (310332212), we get a palindrome (522565225).

The spelling of 212233013 in words is "two hundred twelve million, two hundred thirty-three thousand, thirteen".