1233205013 has 8 divisors (see below), whose sum is σ = 1306381920. Its totient is φ = 1160855280.

The previous prime is 1233204983. The next prime is 1233205021. The reversal of 1233205013 is 3105023321.

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

It is a cyclic number.

It is not a de Polignac number, because 1233205013 - 2⁸ = 1233204757 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 (1233205613) 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, 203723 + ... + 209688.

It is an arithmetic number, because the mean of its divisors is an integer number (163297740).

Almost surely, 2^1233205013 is an apocalyptic number.

It is an amenable number.

1233205013 is a deficient number, since it is larger than the sum of its proper divisors (73176907).

1233205013 is a wasteful number, since it uses less digits than its factorization.

1233205013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413587.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1233205013 is about 35117.0188512636. The cubic root of 1233205013 is about 1072.3710813068.

Adding to 1233205013 its reverse (3105023321), we get a palindrome (4338228334).

The spelling of 1233205013 in words is "one billion, two hundred thirty-three million, two hundred five thousand, thirteen".