1311004442012 has 12 divisors (see below), whose sum is σ = 2294272182216. Its totient is φ = 655498104240.

The previous prime is 1311004441997. The next prime is 1311004442081. The reversal of 1311004442012 is 2102444001131.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 246539 + ... + 1637922.

It is an arithmetic number, because the mean of its divisors is an integer number (191189348518).

Almost surely, 2^{1311004442012} is an apocalyptic number.

It is an amenable number.

1311004442012 is a deficient number, since it is larger than the sum of its proper divisors (983267740204).

1311004442012 is a wasteful number, since it uses less digits than its factorization.

1311004442012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058388 (or 2058386 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1311004442012 its reverse (2102444001131), we get a palindrome (3413448443143).

The spelling of 1311004442012 in words is "one trillion, three hundred eleven billion, four million, four hundred forty-two thousand, twelve".