1318663012 has 12 divisors (see below), whose sum is σ = 2310416640. Its totient is φ = 658543976.

The previous prime is 1318663009. The next prime is 1318663013. The reversal of 1318663012 is 2103668131.

It is not an unprimeable number, because it can be changed into a prime (1318663013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193108 + ... + 199819.

It is an arithmetic number, because the mean of its divisors is an integer number (192534720).

Almost surely, 2^1318663012 is an apocalyptic number.

It is an amenable number.

1318663012 is a deficient number, since it is larger than the sum of its proper divisors (991753628).

1318663012 is a wasteful number, since it uses less digits than its factorization.

1318663012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393770 (or 393768 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1318663012 is about 36313.3998959062. The cubic root of 1318663012 is about 1096.5908257507.

The spelling of 1318663012 in words is "one billion, three hundred eighteen million, six hundred sixty-three thousand, twelve".