12900555418 has 16 divisors (see below), whose sum is σ = 19826117280. Its totient is φ = 6293209936.

The previous prime is 12900555407. The next prime is 12900555427. The reversal of 12900555418 is 81455500921.

12900555418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320980 + ... + 358927.

It is an arithmetic number, because the mean of its divisors is an integer number (1239132330).

Almost surely, 2^12900555418 is an apocalyptic number.

12900555418 is a deficient number, since it is larger than the sum of its proper divisors (6925561862).

12900555418 is a wasteful number, since it uses less digits than its factorization.

12900555418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680141.

The product of its (nonzero) digits is 72000, while the sum is 40.

The spelling of 12900555418 in words is "twelve billion, nine hundred million, five hundred fifty-five thousand, four hundred eighteen".