1312400433403 has 2 divisors, whose sum is σ = 1312400433404. Its totient is φ = 1312400433402.

The previous prime is 1312400433391. The next prime is 1312400433433. The reversal of 1312400433403 is 3043340042131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312400433403 - 2¹³ = 1312400425211 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312400433433) 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, 656200216701 + 656200216702.

It is an arithmetic number, because the mean of its divisors is an integer number (656200216702).

Almost surely, 2^{1312400433403} is an apocalyptic number.

1312400433403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312400433403 is an equidigital number, since it uses as much as digits as its factorization.

1312400433403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1312400433403 its reverse (3043340042131), we get a palindrome (4355740475534).

The spelling of 1312400433403 in words is "one trillion, three hundred twelve billion, four hundred million, four hundred thirty-three thousand, four hundred three".