1212331243003 has 2 divisors, whose sum is σ = 1212331243004. Its totient is φ = 1212331243002.

The previous prime is 1212331242949. The next prime is 1212331243073. The reversal of 1212331243003 is 3003421332121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212331243003 - 2⁹ = 1212331242491 is a prime.

It is a super-2 number, since 2×1212331243003² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1212331243073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606165621501 + 606165621502.

It is an arithmetic number, because the mean of its divisors is an integer number (606165621502).

Almost surely, 2^{1212331243003} is an apocalyptic number.

1212331243003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212331243003 is an equidigital number, since it uses as much as digits as its factorization.

1212331243003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1212331243003 its reverse (3003421332121), we get a palindrome (4215752575124).

The spelling of 1212331243003 in words is "one trillion, two hundred twelve billion, three hundred thirty-one million, two hundred forty-three thousand, three".