1043212113403 has 2 divisors, whose sum is σ = 1043212113404. Its totient is φ = 1043212113402.

The previous prime is 1043212113397. The next prime is 1043212113421. The reversal of 1043212113403 is 3043112123401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1043212113403 - 2²⁵ = 1043178558971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1043212117403) 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, 521606056701 + 521606056702.

It is an arithmetic number, because the mean of its divisors is an integer number (521606056702).

Almost surely, 2^{1043212113403} is an apocalyptic number.

1043212113403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043212113403 is an equidigital number, since it uses as much as digits as its factorization.

1043212113403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1043212113403 its reverse (3043112123401), we get a palindrome (4086324236804).

The spelling of 1043212113403 in words is "one trillion, forty-three billion, two hundred twelve million, one hundred thirteen thousand, four hundred three".