1012321231003 has 2 divisors, whose sum is σ = 1012321231004. Its totient is φ = 1012321231002.

The previous prime is 1012321230983. The next prime is 1012321231013. The reversal of 1012321231003 is 3001321232101.

It is a strong prime.

It is an emirp because it is prime and its reverse (3001321232101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012321231003 - 2⁹ = 1012321230491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012321231013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506160615501 + 506160615502.

It is an arithmetic number, because the mean of its divisors is an integer number (506160615502).

Almost surely, 2^{1012321231003} is an apocalyptic number.

1012321231003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012321231003 is an equidigital number, since it uses as much as digits as its factorization.

1012321231003 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 19.

Adding to 1012321231003 its reverse (3001321232101), we get a palindrome (4013642463104).

The spelling of 1012321231003 in words is "one trillion, twelve billion, three hundred twenty-one million, two hundred thirty-one thousand, three".