1200403200311 has 32 divisors (see below), whose sum is σ = 1443451097088. Its totient is φ = 976541080320.

The previous prime is 1200403200289. The next prime is 1200403200313. The reversal of 1200403200311 is 1130023040021.

It is a cyclic number.

It is not a de Polignac number, because 1200403200311 - 2³⁰ = 1199329458487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200403200311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200403200313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30078176 + ... + 30118058.

It is an arithmetic number, because the mean of its divisors is an integer number (45107846784).

Almost surely, 2^{1200403200311} is an apocalyptic number.

1200403200311 is a deficient number, since it is larger than the sum of its proper divisors (243047896777).

1200403200311 is a wasteful number, since it uses less digits than its factorization.

1200403200311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42591.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1200403200311 its reverse (1130023040021), we get a palindrome (2330426240332).

The spelling of 1200403200311 in words is "one trillion, two hundred billion, four hundred three million, two hundred thousand, three hundred eleven".