1220221303202 has 16 divisors (see below), whose sum is σ = 1997294601024. Its totient is φ = 554488038000.

The previous prime is 1220221303183. The next prime is 1220221303307. The reversal of 1220221303202 is 2023031220221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7821449 + ... + 7975932.

It is an arithmetic number, because the mean of its divisors is an integer number (124830912564).

Almost surely, 2^{1220221303202} is an apocalyptic number.

1220221303202 is a deficient number, since it is larger than the sum of its proper divisors (777073297822).

1220221303202 is a wasteful number, since it uses less digits than its factorization.

1220221303202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15800905.

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

Adding to 1220221303202 its reverse (2023031220221), we get a palindrome (3243252523423).

The spelling of 1220221303202 in words is "one trillion, two hundred twenty billion, two hundred twenty-one million, three hundred three thousand, two hundred two".