210005555012 has 96 divisors (see below), whose sum is σ = 428135030400. Its totient is φ = 89131622400.

The previous prime is 210005554991. The next prime is 210005555029. The reversal of 210005555012 is 210555500012.

210005555012 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 (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17580962 + ... + 17592902.

It is an arithmetic number, because the mean of its divisors is an integer number (4459739900).

Almost surely, 2^210005555012 is an apocalyptic number.

210005555012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210005555012 is an abundant number, since it is smaller than the sum of its proper divisors (218129475388).

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

210005555012 is a wasteful number, since it uses less digits than its factorization.

210005555012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12277 (or 12275 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

The spelling of 210005555012 in words is "two hundred ten billion, five million, five hundred fifty-five thousand, twelve".