1220021230330 has 16 divisors (see below), whose sum is σ = 2509757959680. Its totient is φ = 418292993232.

The previous prime is 1220021230321. The next prime is 1220021230331. The reversal of 1220021230330 is 330321200221.

It is a junction number, because it is equal to n+sod(n) for n = 1220021230298 and 1220021230307.

It is not an unprimeable number, because it can be changed into a prime (1220021230331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8714437290 + ... + 8714437429.

It is an arithmetic number, because the mean of its divisors is an integer number (156859872480).

Almost surely, 2^{1220021230330} is an apocalyptic number.

1220021230330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220021230330 is an abundant number, since it is smaller than the sum of its proper divisors (1289736729350).

1220021230330 is a wasteful number, since it uses less digits than its factorization.

1220021230330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17428874733.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1220021230330 its reverse (330321200221), we get a palindrome (1550342430551).

The spelling of 1220021230330 in words is "one trillion, two hundred twenty billion, twenty-one million, two hundred thirty thousand, three hundred thirty".