1232213505 has 16 divisors (see below), whose sum is σ = 1980156480. Its totient is φ = 654308928.

The previous prime is 1232213503. The next prime is 1232213531. The reversal of 1232213505 is 5053122321.

It is a happy number.

It is not a de Polignac number, because 1232213505 - 2¹ = 1232213503 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1232213503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175927 + ... + 182796.

It is an arithmetic number, because the mean of its divisors is an integer number (123759780).

Almost surely, 2^1232213505 is an apocalyptic number.

1232213505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1232213505 is a deficient number, since it is larger than the sum of its proper divisors (747942975).

1232213505 is a wasteful number, since it uses less digits than its factorization.

1232213505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358960.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1232213505 is about 35102.8988119215. The cubic root of 1232213505 is about 1072.0836055613.

Adding to 1232213505 its reverse (5053122321), we get a palindrome (6285335826).

The spelling of 1232213505 in words is "one billion, two hundred thirty-two million, two hundred thirteen thousand, five hundred five".