1200330012311 has 4 divisors (see below), whose sum is σ = 1270937660112. Its totient is φ = 1129722364512.

The previous prime is 1200330012289. The next prime is 1200330012347. The reversal of 1200330012311 is 1132100330021.

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

It is not a de Polignac number, because 1200330012311 - 2¹⁸ = 1200329750167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 70607647783 = 1200330012311 / (1 + 2 + 0 + 0 + 3 + 3 + 0 + 0 + 1 + 2 + 3 + 1 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200330012311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200330012811) 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, 35303823875 + ... + 35303823908.

It is an arithmetic number, because the mean of its divisors is an integer number (317734415028).

Almost surely, 2^{1200330012311} is an apocalyptic number.

1200330012311 is a deficient number, since it is larger than the sum of its proper divisors (70607647801).

1200330012311 is an equidigital number, since it uses as much as digits as its factorization.

1200330012311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70607647800.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1200330012311 its reverse (1132100330021), we get a palindrome (2332430342332).

The spelling of 1200330012311 in words is "one trillion, two hundred billion, three hundred thirty million, twelve thousand, three hundred eleven".