1201324210403 has 2 divisors, whose sum is σ = 1201324210404. Its totient is φ = 1201324210402.

The previous prime is 1201324210397. The next prime is 1201324210451. The reversal of 1201324210403 is 3040124231021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201324210403 - 2¹² = 1201324206307 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201324210103) 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, 600662105201 + 600662105202.

It is an arithmetic number, because the mean of its divisors is an integer number (600662105202).

Almost surely, 2^{1201324210403} is an apocalyptic number.

1201324210403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201324210403 is an equidigital number, since it uses as much as digits as its factorization.

1201324210403 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1201324210403 its reverse (3040124231021), we get a palindrome (4241448441424).

The spelling of 1201324210403 in words is "one trillion, two hundred one billion, three hundred twenty-four million, two hundred ten thousand, four hundred three".