1220202230323 has 32 divisors (see below), whose sum is σ = 1312888642560. Its totient is φ = 1130510384640.

The previous prime is 1220202230293. The next prime is 1220202230327. The reversal of 1220202230323 is 3230322020221.

It is a de Polignac number, because none of the positive numbers 2^k-1220202230323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220202230294 and 1220202230303.

It is not an unprimeable number, because it can be changed into a prime (1220202230327) 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 31 ways as a sum of consecutive naturals, for example, 544003440 + ... + 544005682.

It is an arithmetic number, because the mean of its divisors is an integer number (41027770080).

Almost surely, 2^{1220202230323} is an apocalyptic number.

1220202230323 is a deficient number, since it is larger than the sum of its proper divisors (92686412237).

1220202230323 is a wasteful number, since it uses less digits than its factorization.

1220202230323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 1220202230323 its reverse (3230322020221), we get a palindrome (4450524250544).

The spelling of 1220202230323 in words is "one trillion, two hundred twenty billion, two hundred two million, two hundred thirty thousand, three hundred twenty-three".