1240223203201 has 4 divisors (see below), whose sum is σ = 1251198629892. Its totient is φ = 1229247776512.

The previous prime is 1240223203157. The next prime is 1240223203211. The reversal of 1240223203201 is 1023023220421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 515307186801 + 724916016400 = 717849^2 + 851420^2 .

It is a cyclic number.

It is not a de Polignac number, because 1240223203201 - 2¹¹ = 1240223201153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240223203211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5487713176 + ... + 5487713401.

It is an arithmetic number, because the mean of its divisors is an integer number (312799657473).

Almost surely, 2^{1240223203201} is an apocalyptic number.

It is an amenable number.

1240223203201 is a deficient number, since it is larger than the sum of its proper divisors (10975426691).

1240223203201 is a wasteful number, since it uses less digits than its factorization.

1240223203201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10975426690.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1240223203201 its reverse (1023023220421), we get a palindrome (2263246423622).

The spelling of 1240223203201 in words is "one trillion, two hundred forty billion, two hundred twenty-three million, two hundred three thousand, two hundred one".