1200222020201 has 8 divisors (see below), whose sum is σ = 1225544182824. Its totient is φ = 1175139878400.

The previous prime is 1200222020189. The next prime is 1200222020269. The reversal of 1200222020201 is 1020202220021.

It can be written as a sum of positive squares in 4 ways, for example, as 654034508176 + 546187512025 = 808724^2 + 739045^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200222020201 - 2²² = 1200217825897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1200222020801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59995100 + ... + 60015101.

It is an arithmetic number, because the mean of its divisors is an integer number (153193022853).

Almost surely, 2^{1200222020201} is an apocalyptic number.

It is an amenable number.

1200222020201 is a deficient number, since it is larger than the sum of its proper divisors (25322162623).

1200222020201 is a wasteful number, since it uses less digits than its factorization.

1200222020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120010411.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1200222020201 its reverse (1020202220021), we get a palindrome (2220424240222).

The spelling of 1200222020201 in words is "one trillion, two hundred billion, two hundred twenty-two million, twenty thousand, two hundred one".