1001200222205 has 16 divisors (see below), whose sum is σ = 1237447268400. Its totient is φ = 777079567872.

The previous prime is 1001200222193. The next prime is 1001200222237. The reversal of 1001200222205 is 5022220021001.

It can be written as a sum of positive squares in 8 ways, for example, as 273422318404 + 727777903801 = 522898^2 + 853099^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001200222205 - 2¹⁰ = 1001200221181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7688864 + ... + 7817993.

It is an arithmetic number, because the mean of its divisors is an integer number (77340454275).

Almost surely, 2^{1001200222205} is an apocalyptic number.

It is an amenable number.

1001200222205 is a deficient number, since it is larger than the sum of its proper divisors (236247046195).

1001200222205 is a wasteful number, since it uses less digits than its factorization.

1001200222205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15507248.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 1001200222205 its reverse (5022220021001), we get a palindrome (6023420243206).

The spelling of 1001200222205 in words is "one trillion, one billion, two hundred million, two hundred twenty-two thousand, two hundred five".