12918461000 has 64 divisors (see below), whose sum is σ = 31820256000. Its totient is φ = 4895409600.

The previous prime is 12918460969. The next prime is 12918461011. The reversal of 12918461000 is 16481921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320960 + ... + 358959.

It is an arithmetic number, because the mean of its divisors is an integer number (497191500).

Almost surely, 2^12918461000 is an apocalyptic number.

12918461000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12918461000 is an abundant number, since it is smaller than the sum of its proper divisors (18901795000).

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

12918461000 is a wasteful number, since it uses less digits than its factorization.

12918461000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679959 (or 679945 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 12918461000 in words is "twelve billion, nine hundred eighteen million, four hundred sixty-one thousand".