1233213258 has 16 divisors (see below), whose sum is σ = 2479208256. Its totient is φ = 408940800.

The previous prime is 1233213257. The next prime is 1233213277. The reversal of 1233213258 is 8523123321.

It is a happy number.

It is a super-3 number, since 3×1233213258³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1233213257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531318 + ... + 533633.

It is an arithmetic number, because the mean of its divisors is an integer number (154950516).

Almost surely, 2^1233213258 is an apocalyptic number.

1233213258 is an abundant number, since it is smaller than the sum of its proper divisors (1245994998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1233213258 is a wasteful number, since it uses less digits than its factorization.

1233213258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065149.

The product of its digits is 8640, while the sum is 30.

The square root of 1233213258 is about 35117.1362442896. The cubic root of 1233213258 is about 1072.3734711987.

Adding to 1233213258 its reverse (8523123321), we get a palindrome (9756336579).

The spelling of 1233213258 in words is "one billion, two hundred thirty-three million, two hundred thirteen thousand, two hundred fifty-eight".