1205252330045 has 8 divisors (see below), whose sum is σ = 1531379431224. Its totient is φ = 907484107264.

The previous prime is 1205252330027. The next prime is 1205252330047. The reversal of 1205252330045 is 5400332525021.

It can be written as a sum of positive squares in 4 ways, for example, as 484556602201 + 720695727844 = 696101^2 + 848938^2 .

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 1205252330045 - 2⁸ = 1205252329789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1205252329993 and 1205252330020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205252330047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7089719504 + ... + 7089719673.

It is an arithmetic number, because the mean of its divisors is an integer number (191422428903).

Almost surely, 2^{1205252330045} is an apocalyptic number.

It is an amenable number.

1205252330045 is a deficient number, since it is larger than the sum of its proper divisors (326127101179).

1205252330045 is a wasteful number, since it uses less digits than its factorization.

1205252330045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14179439199.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 1205252330045 its reverse (5400332525021), we get a palindrome (6605584855066).

The spelling of 1205252330045 in words is "one trillion, two hundred five billion, two hundred fifty-two million, three hundred thirty thousand, forty-five".