1306320412252 has 12 divisors (see below), whose sum is σ = 2406379706920. Its totient is φ = 618783353136.

The previous prime is 1306320412217. The next prime is 1306320412279. The reversal of 1306320412252 is 2522140236031.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8594213163 + ... + 8594213314.

Almost surely, 2^{1306320412252} is an apocalyptic number.

It is an amenable number.

1306320412252 is a deficient number, since it is larger than the sum of its proper divisors (1100059294668).

1306320412252 is a wasteful number, since it uses less digits than its factorization.

1306320412252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17188426500 (or 17188426498 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 1306320412252 its reverse (2522140236031), we get a palindrome (3828460648283).

It can be divided in two parts, 13063204 and 12252, that added together give a square (13075456 = 3616²).

The spelling of 1306320412252 in words is "one trillion, three hundred six billion, three hundred twenty million, four hundred twelve thousand, two hundred fifty-two".