12982018009 has 4 divisors (see below), whose sum is σ = 12983276800. Its totient is φ = 12980759220.

The previous prime is 12982017973. The next prime is 12982018051. The reversal of 12982018009 is 90081028921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90081028921 = 13 ⋅6929309917.

It is a cyclic number.

It is not a de Polignac number, because 12982018009 - 2¹⁷ = 12981886937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12982318009) 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, 613797 + ... + 634594.

It is an arithmetic number, because the mean of its divisors is an integer number (3245819200).

Almost surely, 2^12982018009 is an apocalyptic number.

It is an amenable number.

12982018009 is a deficient number, since it is larger than the sum of its proper divisors (1258791).

12982018009 is a wasteful number, since it uses less digits than its factorization.

12982018009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258790.

The product of its (nonzero) digits is 20736, while the sum is 40.

The spelling of 12982018009 in words is "twelve billion, nine hundred eighty-two million, eighteen thousand, nine".