1802008201201 has 4 divisors (see below), whose sum is σ = 1940624216692. Its totient is φ = 1663392185712.

The previous prime is 1802008201153. The next prime is 1802008201223. The reversal of 1802008201201 is 1021028002081.

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 92295047601 + 1709713153600 = 303801^2 + 1307560^2 .

It is a cyclic number.

It is not a de Polignac number, because 1802008201201 - 2²³ = 1801999812593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1802008201901) 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, 69308007726 + ... + 69308007751.

It is an arithmetic number, because the mean of its divisors is an integer number (485156054173).

Almost surely, 2^{1802008201201} is an apocalyptic number.

It is an amenable number.

1802008201201 is a deficient number, since it is larger than the sum of its proper divisors (138616015491).

1802008201201 is a wasteful number, since it uses less digits than its factorization.

1802008201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138616015490.

The product of its (nonzero) digits is 512, while the sum is 25.

The spelling of 1802008201201 in words is "one trillion, eight hundred two billion, eight million, two hundred one thousand, two hundred one".