1324212013345 has 16 divisors (see below), whose sum is σ = 1711331736912. Its totient is φ = 977855431680.

The previous prime is 1324212013343. The next prime is 1324212013361. The reversal of 1324212013345 is 5433102124231.

It can be written as a sum of positive squares in 8 ways, for example, as 119154755344 + 1205057258001 = 345188^2 + 1097751^2 .

It is not a de Polignac number, because 1324212013345 - 2¹ = 1324212013343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1324212013343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2648229 + ... + 3108301.

It is an arithmetic number, because the mean of its divisors is an integer number (106958233557).

Almost surely, 2^{1324212013345} is an apocalyptic number.

It is an amenable number.

1324212013345 is a deficient number, since it is larger than the sum of its proper divisors (387119723567).

1324212013345 is a wasteful number, since it uses less digits than its factorization.

1324212013345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504372.

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

Adding to 1324212013345 its reverse (5433102124231), we get a palindrome (6757314137576).

The spelling of 1324212013345 in words is "one trillion, three hundred twenty-four billion, two hundred twelve million, thirteen thousand, three hundred forty-five".