1000012311443 has 16 divisors (see below), whose sum is σ = 1016074967040. Its totient is φ = 984059499456.

The previous prime is 1000012311409. The next prime is 1000012311469. The reversal of 1000012311443 is 3441132100001.

It is a cyclic number.

It is not a de Polignac number, because 1000012311443 - 2⁸ = 1000012311187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000012311143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115644146 + ... + 115652792.

It is an arithmetic number, because the mean of its divisors is an integer number (63504685440).

Almost surely, 2^{1000012311443} is an apocalyptic number.

1000012311443 is a deficient number, since it is larger than the sum of its proper divisors (16062655597).

1000012311443 is an equidigital number, since it uses as much as digits as its factorization.

1000012311443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14786.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1000012311443 its reverse (3441132100001), we get a palindrome (4441144411444).

The spelling of 1000012311443 in words is "one trillion, twelve million, three hundred eleven thousand, four hundred forty-three".