1233020213 has 2 divisors, whose sum is σ = 1233020214. Its totient is φ = 1233020212.

The previous prime is 1233020209. The next prime is 1233020233. The reversal of 1233020213 is 3120203321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1203881809 + 29138404 = 34697^2 + 5398^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233020213 - 2² = 1233020209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1233020191 and 1233020200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1233020233) 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 as a sum of consecutive naturals, namely, 616510106 + 616510107.

It is an arithmetic number, because the mean of its divisors is an integer number (616510107).

Almost surely, 2^1233020213 is an apocalyptic number.

It is an amenable number.

1233020213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233020213 is an equidigital number, since it uses as much as digits as its factorization.

1233020213 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 1233020213 is about 35114.3875498349. The cubic root of 1233020213 is about 1072.3175124696.

Adding to 1233020213 its reverse (3120203321), we get a palindrome (4353223534).

The spelling of 1233020213 in words is "one billion, two hundred thirty-three million, twenty thousand, two hundred thirteen".