1230033213 has 12 divisors (see below), whose sum is σ = 1778954268. Its totient is φ = 818988480.

The previous prime is 1230033209. The next prime is 1230033257. The reversal of 1230033213 is 3123300321.

It can be written as a sum of positive squares in 2 ways, for example, as 616876569 + 613156644 = 24837^2 + 24762^2 .

It is not a de Polignac number, because 1230033213 - 2² = 1230033209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230032213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78568 + ... + 92913.

It is an arithmetic number, because the mean of its divisors is an integer number (148246189).

Almost surely, 2^1230033213 is an apocalyptic number.

It is an amenable number.

1230033213 is a deficient number, since it is larger than the sum of its proper divisors (548921055).

1230033213 is a wasteful number, since it uses less digits than its factorization.

1230033213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172284 (or 172281 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1230033213 is about 35071.8293363777. The cubic root of 1230033213 is about 1071.4509134465.

Adding to 1230033213 its reverse (3123300321), we get a palindrome (4353333534).

The spelling of 1230033213 in words is "one billion, two hundred thirty million, thirty-three thousand, two hundred thirteen".