1200210220201 has 4 divisors (see below), whose sum is σ = 1208265322500. Its totient is φ = 1192155117904.

The previous prime is 1200210220199. The next prime is 1200210220211. The reversal of 1200210220201 is 1020220120021.

It is a happy number.

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 457469613225 + 742740606976 = 676365^2 + 861824^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200210220201 - 2¹ = 1200210220199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200210220211) 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, 4027550926 + ... + 4027551223.

It is an arithmetic number, because the mean of its divisors is an integer number (302066330625).

Almost surely, 2^{1200210220201} is an apocalyptic number.

It is an amenable number.

1200210220201 is a deficient number, since it is larger than the sum of its proper divisors (8055102299).

1200210220201 is an equidigital number, since it uses as much as digits as its factorization.

1200210220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8055102298.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1200210220201 its reverse (1020220120021), we get a palindrome (2220430340222).

The spelling of 1200210220201 in words is "one trillion, two hundred billion, two hundred ten million, two hundred twenty thousand, two hundred one".