1220201222330 has 16 divisors (see below), whose sum is σ = 2325559977000. Its totient is φ = 459369871872.

The previous prime is 1220201222309. The next prime is 1220201222353. The reversal of 1220201222330 is 332221020221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1088322573529 + 131878648801 = 1043227^2 + 363151^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3588826955 + ... + 3588827294.

Almost surely, 2^{1220201222330} is an apocalyptic number.

1220201222330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220201222330 is a deficient number, since it is larger than the sum of its proper divisors (1105358754670).

1220201222330 is a wasteful number, since it uses less digits than its factorization.

1220201222330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7177654273.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1220201222330 its reverse (332221020221), we get a palindrome (1552422242551).

The spelling of 1220201222330 in words is "one trillion, two hundred twenty billion, two hundred one million, two hundred twenty-two thousand, three hundred thirty".