1205213341201 has 4 divisors (see below), whose sum is σ = 1214010519012. Its totient is φ = 1196416163392.

The previous prime is 1205213341193. The next prime is 1205213341207. The reversal of 1205213341201 is 1021433125021.

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 749150836225 + 456062504976 = 865535^2 + 675324^2 .

It is a cyclic number.

It is not a de Polignac number, because 1205213341201 - 2³ = 1205213341193 is a prime.

It is a super-3 number, since 3×1205213341201³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1205213341207) 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, 4398588700 + ... + 4398588973.

It is an arithmetic number, because the mean of its divisors is an integer number (303502629753).

Almost surely, 2^{1205213341201} is an apocalyptic number.

It is an amenable number.

1205213341201 is a deficient number, since it is larger than the sum of its proper divisors (8797177811).

1205213341201 is an equidigital number, since it uses as much as digits as its factorization.

1205213341201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8797177810.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1205213341201 its reverse (1021433125021), we get a palindrome (2226646466222).

The spelling of 1205213341201 in words is "one trillion, two hundred five billion, two hundred thirteen million, three hundred forty-one thousand, two hundred one".