1317282012 has 18 divisors (see below), whose sum is σ = 3329796288. Its totient is φ = 439093992.

The previous prime is 1317281983. The next prime is 1317282023. The reversal of 1317282012 is 2102827131.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18295548 + ... + 18295619.

Almost surely, 2^1317282012 is an apocalyptic number.

1317282012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1317282012 is an abundant number, since it is smaller than the sum of its proper divisors (2012514276).

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

1317282012 is a wasteful number, since it uses less digits than its factorization.

1317282012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36591177 (or 36591172 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1317282012 is about 36294.3798955155. The cubic root of 1317282012 is about 1096.2078820962.

The spelling of 1317282012 in words is "one billion, three hundred seventeen million, two hundred eighty-two thousand, twelve".