1312241200403 has 16 divisors (see below), whose sum is σ = 1578719800320. Its totient is φ = 1065522776256.

The previous prime is 1312241200397. The next prime is 1312241200411. The reversal of 1312241200403 is 3040021422131.

It is a cyclic number.

It is not a de Polignac number, because 1312241200403 - 2³⁶ = 1243521723667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312241200463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2351750 + ... + 2855732.

It is an arithmetic number, because the mean of its divisors is an integer number (98669987520).

Almost surely, 2^{1312241200403} is an apocalyptic number.

1312241200403 is a deficient number, since it is larger than the sum of its proper divisors (266478599917).

1312241200403 is a wasteful number, since it uses less digits than its factorization.

1312241200403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523586.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1312241200403 its reverse (3040021422131), we get a palindrome (4352262622534).

The spelling of 1312241200403 in words is "one trillion, three hundred twelve billion, two hundred forty-one million, two hundred thousand, four hundred three".