1200330012811 has 2 divisors, whose sum is σ = 1200330012812. Its totient is φ = 1200330012810.

The previous prime is 1200330012809. The next prime is 1200330012841. The reversal of 1200330012811 is 1182100330021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200330012811 - 2¹ = 1200330012809 is a prime.

Together with 1200330012809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1200330012841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600165006405 + 600165006406.

It is an arithmetic number, because the mean of its divisors is an integer number (600165006406).

Almost surely, 2^{1200330012811} is an apocalyptic number.

1200330012811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200330012811 is an equidigital number, since it uses as much as digits as its factorization.

1200330012811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 1200330012811 its reverse (1182100330021), we get a palindrome (2382430342832).

The spelling of 1200330012811 in words is "one trillion, two hundred billion, three hundred thirty million, twelve thousand, eight hundred eleven".