1233212133 has 8 divisors (see below), whose sum is σ = 1647580000. Its totient is φ = 820492848.

The previous prime is 1233212131. The next prime is 1233212171. The reversal of 1233212133 is 3312123321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1233212133 - 2¹ = 1233212131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233212131) 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, 410398 + ... + 413391.

It is an arithmetic number, because the mean of its divisors is an integer number (205947500).

Almost surely, 2^1233212133 is an apocalyptic number.

It is an amenable number.

1233212133 is a deficient number, since it is larger than the sum of its proper divisors (414367867).

1233212133 is an equidigital number, since it uses as much as digits as its factorization.

1233212133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824291.

The product of its digits is 648, while the sum is 21.

The square root of 1233212133 is about 35117.1202264650. The cubic root of 1233212133 is about 1072.3731451073.

Adding to 1233212133 its reverse (3312123321), we get a palindrome (4545335454).

The spelling of 1233212133 in words is "one billion, two hundred thirty-three million, two hundred twelve thousand, one hundred thirty-three".