1323012013201 has 4 divisors (see below), whose sum is σ = 1323014521572. Its totient is φ = 1323009504832.

The previous prime is 1323012013177. The next prime is 1323012013217. The reversal of 1323012013201 is 1023102103231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 211250544400 + 1111761468801 = 459620^2 + 1054401^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323012013201 - 2⁹ = 1323012012689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323012013261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122860 + ... + 1631293.

It is an arithmetic number, because the mean of its divisors is an integer number (330753630393).

Almost surely, 2^{1323012013201} is an apocalyptic number.

It is an amenable number.

1323012013201 is a deficient number, since it is larger than the sum of its proper divisors (2508371).

1323012013201 is an equidigital number, since it uses as much as digits as its factorization.

1323012013201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508370.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1323012013201 its reverse (1023102103231), we get a palindrome (2346114116432).

The spelling of 1323012013201 in words is "one trillion, three hundred twenty-three billion, twelve million, thirteen thousand, two hundred one".