1323212030201 has 4 divisors (see below), whose sum is σ = 1323986292900. Its totient is φ = 1322437767504.

The previous prime is 1323212030183. The next prime is 1323212030207. The reversal of 1323212030201 is 1020302123231.

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 697056340201 + 626155690000 = 834899^2 + 791300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323212030201 is a prime.

It is a super-2 number, since 2×1323212030201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323212030207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387128786 + ... + 387132203.

It is an arithmetic number, because the mean of its divisors is an integer number (330996573225).

Almost surely, 2^{1323212030201} is an apocalyptic number.

It is an amenable number.

1323212030201 is a deficient number, since it is larger than the sum of its proper divisors (774262699).

1323212030201 is an equidigital number, since it uses as much as digits as its factorization.

1323212030201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774262698.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1323212030201 its reverse (1020302123231), we get a palindrome (2343514153432).

The spelling of 1323212030201 in words is "one trillion, three hundred twenty-three billion, two hundred twelve million, thirty thousand, two hundred one".