1221232030303 has 2 divisors, whose sum is σ = 1221232030304. Its totient is φ = 1221232030302.

The previous prime is 1221232030297. The next prime is 1221232030363. The reversal of 1221232030303 is 3030302321221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1221232030303 - 2³⁷ = 1083793076831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1221232030363) 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 as a sum of consecutive naturals, namely, 610616015151 + 610616015152.

It is an arithmetic number, because the mean of its divisors is an integer number (610616015152).

Almost surely, 2^{1221232030303} is an apocalyptic number.

1221232030303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1221232030303 is an equidigital number, since it uses as much as digits as its factorization.

1221232030303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1221232030303 its reverse (3030302321221), we get a palindrome (4251534351524).

The spelling of 1221232030303 in words is "one trillion, two hundred twenty-one billion, two hundred thirty-two million, thirty thousand, three hundred three".