1012303201003 has 4 divisors (see below), whose sum is σ = 1012745836960. Its totient is φ = 1011860565048.

The previous prime is 1012303200943. The next prime is 1012303201031. The reversal of 1012303201003 is 3001023032101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012303201003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012303201073) 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 in 3 ways as a sum of consecutive naturals, for example, 221314548 + ... + 221319121.

It is an arithmetic number, because the mean of its divisors is an integer number (253186459240).

Almost surely, 2^{1012303201003} is an apocalyptic number.

1012303201003 is a deficient number, since it is larger than the sum of its proper divisors (442635957).

1012303201003 is an equidigital number, since it uses as much as digits as its factorization.

1012303201003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442635956.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1012303201003 its reverse (3001023032101), we get a palindrome (4013326233104).

The spelling of 1012303201003 in words is "one trillion, twelve billion, three hundred three million, two hundred one thousand, three".