1213322003 has 2 divisors, whose sum is σ = 1213322004. Its totient is φ = 1213322002.

The previous prime is 1213321997. The next prime is 1213322009. The reversal of 1213322003 is 3002233121.

It is a balanced prime because it is at equal distance from previous prime (1213321997) and next prime (1213322009).

It is a cyclic number.

It is not a de Polignac number, because 1213322003 - 2⁴ = 1213321987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213322009) 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 as a sum of consecutive naturals, namely, 606661001 + 606661002.

It is an arithmetic number, because the mean of its divisors is an integer number (606661002).

Almost surely, 2^1213322003 is an apocalyptic number.

1213322003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213322003 is an equidigital number, since it uses as much as digits as its factorization.

1213322003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1213322003 is about 34832.7719683634. The cubic root of 1213322003 is about 1066.5765340616.

Adding to 1213322003 its reverse (3002233121), we get a palindrome (4215555124).

The spelling of 1213322003 in words is "one billion, two hundred thirteen million, three hundred twenty-two thousand, three".