1220311303233 has 16 divisors (see below), whose sum is σ = 1775844000000. Its totient is φ = 739230216080.

The previous prime is 1220311303223. The next prime is 1220311303259. The reversal of 1220311303233 is 3323031130221.

It is a cyclic number.

It is not a de Polignac number, because 1220311303233 - 2¹⁷ = 1220311172161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220311303223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8739483 + ... + 8878016.

It is an arithmetic number, because the mean of its divisors is an integer number (110990250000).

Almost surely, 2^{1220311303233} is an apocalyptic number.

It is an amenable number.

1220311303233 is a deficient number, since it is larger than the sum of its proper divisors (555532696767).

1220311303233 is a wasteful number, since it uses less digits than its factorization.

1220311303233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17619612.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1220311303233 its reverse (3323031130221), we get a palindrome (4543342433454).

The spelling of 1220311303233 in words is "one trillion, two hundred twenty billion, three hundred eleven million, three hundred three thousand, two hundred thirty-three".