12210556105 has 8 divisors (see below), whose sum is σ = 15984728064. Its totient is φ = 8880404400.

The previous prime is 12210556087. The next prime is 12210556123. The reversal of 12210556105 is 50165501221.

It is an interprime number because it is at equal distance from previous prime (12210556087) and next prime (12210556123).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12210556105 - 2⁷ = 12210555977 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 111005001 + ... + 111005110.

It is an arithmetic number, because the mean of its divisors is an integer number (1998091008).

Almost surely, 2^12210556105 is an apocalyptic number.

It is an amenable number.

12210556105 is a deficient number, since it is larger than the sum of its proper divisors (3774171959).

12210556105 is a wasteful number, since it uses less digits than its factorization.

12210556105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222010127.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 12210556105 in words is "twelve billion, two hundred ten million, five hundred fifty-six thousand, one hundred five".