1311010012 has 24 divisors (see below), whose sum is σ = 2616089616. Its totient is φ = 569488128.

The previous prime is 1311010009. The next prime is 1311010021. The reversal of 1311010012 is 2100101131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740638 + ... + 742405.

It is an arithmetic number, because the mean of its divisors is an integer number (109003734).

Almost surely, 2^1311010012 is an apocalyptic number.

It is an amenable number.

1311010012 is a deficient number, since it is larger than the sum of its proper divisors (1305079604).

1311010012 is a wasteful number, since it uses less digits than its factorization.

1311010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483077 (or 1483075 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1311010012 is about 36207.8722379540. The cubic root of 1311010012 is about 1094.4653150159.

Adding to 1311010012 its reverse (2100101131), we get a palindrome (3411111143).

The spelling of 1311010012 in words is "one billion, three hundred eleven million, ten thousand, twelve".