1203242040001 has 2 divisors, whose sum is σ = 1203242040002. Its totient is φ = 1203242040000.

The previous prime is 1203242039977. The next prime is 1203242040079. The reversal of 1203242040001 is 1000402423021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 733722443776 + 469519596225 = 856576^2 + 685215^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203242040001 - 2¹³ = 1203242031809 is a prime.

It is not a weakly prime, because it can be changed into another prime (1203242046001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601621020000 + 601621020001.

It is an arithmetic number, because the mean of its divisors is an integer number (601621020001).

Almost surely, 2^{1203242040001} is an apocalyptic number.

It is an amenable number.

1203242040001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203242040001 is an equidigital number, since it uses as much as digits as its factorization.

1203242040001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1203242040001 its reverse (1000402423021), we get a palindrome (2203644463022).

The spelling of 1203242040001 in words is "one trillion, two hundred three billion, two hundred forty-two million, forty thousand, one".