1320001201011 has 8 divisors (see below), whose sum is σ = 1788854086864. Its totient is φ = 865574557920.

The previous prime is 1320001200979. The next prime is 1320001201049. The reversal of 1320001201011 is 1101021000231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1320001201011 - 2⁵ = 1320001200979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320001201411) 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 in 7 ways as a sum of consecutive naturals, for example, 3606560476 + ... + 3606560841.

It is an arithmetic number, because the mean of its divisors is an integer number (223606760858).

Almost surely, 2^{1320001201011} is an apocalyptic number.

1320001201011 is a deficient number, since it is larger than the sum of its proper divisors (468852885853).

1320001201011 is an equidigital number, since it uses as much as digits as its factorization.

1320001201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7213121381.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1320001201011 its reverse (1101021000231), we get a palindrome (2421022201242).

The spelling of 1320001201011 in words is "one trillion, three hundred twenty billion, one million, two hundred one thousand, eleven".