1205005201033 has 4 divisors (see below), whose sum is σ = 1215668963988. Its totient is φ = 1194341438080.

The previous prime is 1205005200947. The next prime is 1205005201039. The reversal of 1205005201033 is 3301025005021.

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 5743669369 + 1199261531664 = 75787^2 + 1095108^2 .

It is a cyclic number.

It is not a de Polignac number, because 1205005201033 - 2⁹ = 1205005200521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1205005200995 and 1205005201013.

It is not an unprimeable number, because it can be changed into a prime (1205005201039) by changing a digit.

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, 5331881308 + ... + 5331881533.

It is an arithmetic number, because the mean of its divisors is an integer number (303917240997).

Almost surely, 2^{1205005201033} is an apocalyptic number.

It is an amenable number.

1205005201033 is a deficient number, since it is larger than the sum of its proper divisors (10663762955).

1205005201033 is a wasteful number, since it uses less digits than its factorization.

1205005201033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10663762954.

The product of its (nonzero) digits is 900, while the sum is 22.

The spelling of 1205005201033 in words is "one trillion, two hundred five billion, five million, two hundred one thousand, thirty-three".