12918460999 has 4 divisors (see below), whose sum is σ = 12918688840. Its totient is φ = 12918233160.

The previous prime is 12918460969. The next prime is 12918461011. The reversal of 12918460999 is 99906481921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12918460999 - 2¹⁷ = 12918329927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12918460949) 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, 45409 + ... + 167029.

It is an arithmetic number, because the mean of its divisors is an integer number (3229672210).

Almost surely, 2^12918460999 is an apocalyptic number.

12918460999 is a deficient number, since it is larger than the sum of its proper divisors (227841).

12918460999 is a wasteful number, since it uses less digits than its factorization.

12918460999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227840.

The product of its (nonzero) digits is 2519424, while the sum is 58.

The spelling of 12918460999 in words is "twelve billion, nine hundred eighteen million, four hundred sixty thousand, nine hundred ninety-nine".