1031012120003 has 2 divisors, whose sum is σ = 1031012120004. Its totient is φ = 1031012120002.

The previous prime is 1031012119997. The next prime is 1031012120053. The reversal of 1031012120003 is 3000212101301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1031012120003 - 2⁶ = 1031012119939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1031012120003.

It is not a weakly prime, because it can be changed into another prime (1031012120053) 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, 515506060001 + 515506060002.

It is an arithmetic number, because the mean of its divisors is an integer number (515506060002).

Almost surely, 2^{1031012120003} is an apocalyptic number.

1031012120003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031012120003 is an equidigital number, since it uses as much as digits as its factorization.

1031012120003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1031012120003 its reverse (3000212101301), we get a palindrome (4031224221304).

The spelling of 1031012120003 in words is "one trillion, thirty-one billion, twelve million, one hundred twenty thousand, three".