1232265213 has 12 divisors (see below), whose sum is σ = 1884641148. Its totient is φ = 773185920.

The previous prime is 1232265169. The next prime is 1232265217. The reversal of 1232265213 is 3125622321.

It is a happy number.

1232265213 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 2 + 652 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 786970809 + 445294404 = 28053^2 + 21102^2 .

It is not a de Polignac number, because 1232265213 - 2⁶ = 1232265149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232265217) 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, 4026858 + ... + 4027163.

It is an arithmetic number, because the mean of its divisors is an integer number (157053429).

Almost surely, 2^1232265213 is an apocalyptic number.

It is an amenable number.

1232265213 is a deficient number, since it is larger than the sum of its proper divisors (652375935).

1232265213 is a wasteful number, since it uses less digits than its factorization.

1232265213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8054044 (or 8054041 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1232265213 is about 35103.6353245643. The cubic root of 1232265213 is about 1072.0986014808.

Adding to 1232265213 its reverse (3125622321), we get a palindrome (4357887534).

The spelling of 1232265213 in words is "one billion, two hundred thirty-two million, two hundred sixty-five thousand, two hundred thirteen".