1220203322313 has 8 divisors (see below), whose sum is σ = 1643046058176. Its totient is φ = 805414734000.

The previous prime is 1220203322309. The next prime is 1220203322341. The reversal of 1220203322313 is 3132233020221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1220203322313 - 2² = 1220203322309 is a prime.

It is a super-2 number, since 2×1220203322313² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220203322353) 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 7 ways as a sum of consecutive naturals, for example, 2013536533 + ... + 2013537138.

It is an arithmetic number, because the mean of its divisors is an integer number (205380757272).

Almost surely, 2^{1220203322313} is an apocalyptic number.

It is an amenable number.

1220203322313 is a deficient number, since it is larger than the sum of its proper divisors (422842735863).

1220203322313 is a wasteful number, since it uses less digits than its factorization.

1220203322313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027073775.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1220203322313 its reverse (3132233020221), we get a palindrome (4352436342534).

The spelling of 1220203322313 in words is "one trillion, two hundred twenty billion, two hundred three million, three hundred twenty-two thousand, three hundred thirteen".