1213212331003 has 2 divisors, whose sum is σ = 1213212331004. Its totient is φ = 1213212331002.

The previous prime is 1213212330973. The next prime is 1213212331069. The reversal of 1213212331003 is 3001332123121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213212331003 - 2²⁹ = 1212675460091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213212331103) 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, 606606165501 + 606606165502.

It is an arithmetic number, because the mean of its divisors is an integer number (606606165502).

Almost surely, 2^{1213212331003} is an apocalyptic number.

1213212331003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213212331003 is an equidigital number, since it uses as much as digits as its factorization.

1213212331003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1213212331003 its reverse (3001332123121), we get a palindrome (4214544454124).

The spelling of 1213212331003 in words is "one trillion, two hundred thirteen billion, two hundred twelve million, three hundred thirty-one thousand, three".