1203403040001 has 16 divisors (see below), whose sum is σ = 1809428564800. Its totient is φ = 790294532544.

The previous prime is 1203403039939. The next prime is 1203403040009. The reversal of 1203403040001 is 1000403043021.

1203403040001 is a `hidden beast` number, since 1 + 20 + 340 + 304 + 0 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 1203403040001 - 2²² = 1203398845697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203403040009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332613736 + ... + 332617353.

It is an arithmetic number, because the mean of its divisors is an integer number (113089285300).

Almost surely, 2^{1203403040001} is an apocalyptic number.

It is an amenable number.

1203403040001 is a deficient number, since it is larger than the sum of its proper divisors (606025524799).

1203403040001 is an equidigital number, since it uses as much as digits as its factorization.

1203403040001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665231165 (or 665231159 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1203403040001 its reverse (1000403043021), we get a palindrome (2203806083022).

The spelling of 1203403040001 in words is "one trillion, two hundred three billion, four hundred three million, forty thousand, one".