1718128012 has 6 divisors (see below), whose sum is σ = 3006724028. Its totient is φ = 859064004.

The previous prime is 1718128007. The next prime is 1718128019. The reversal of 1718128012 is 2108218171.

It is not an unprimeable number, because it can be changed into a prime (1718128019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214765998 + ... + 214766005.

Almost surely, 2^1718128012 is an apocalyptic number.

It is an amenable number.

1718128012 is a deficient number, since it is larger than the sum of its proper divisors (1288596016).

1718128012 is a wasteful number, since it uses less digits than its factorization.

1718128012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429532007 (or 429532005 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 31.

The square root of 1718128012 is about 41450.3077431278. The cubic root of 1718128012 is about 1197.7104520125.

The spelling of 1718128012 in words is "one billion, seven hundred eighteen million, one hundred twenty-eight thousand, twelve".