1311007012 has 12 divisors (see below), whose sum is σ = 2622014080. Its totient is φ = 561860136.

The previous prime is 1311007007. The next prime is 1311007039. The reversal of 1311007012 is 2107001131.

1311007012 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23410812 + ... + 23410867.

Almost surely, 2^1311007012 is an apocalyptic number.

It is an amenable number.

1311007012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311007012 is a wasteful number, since it uses less digits than its factorization.

1311007012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46821690 (or 46821688 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 1311007012 is about 36207.8308104752. The cubic root of 1311007012 is about 1094.4644801892.

Adding to 1311007012 its reverse (2107001131), we get a palindrome (3418008143).

The spelling of 1311007012 in words is "one billion, three hundred eleven million, seven thousand, twelve".