12210109999 has 4 divisors (see below), whose sum is σ = 12210366400. Its totient is φ = 12209853600.

The previous prime is 12210109993. The next prime is 12210110047. The reversal of 12210109999 is 99990101221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99990101221 = 487 ⋅205318483.

It is a cyclic number.

It is not a de Polignac number, because 12210109999 - 2³ = 12210109991 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 (12210109991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33402 + ... + 159799.

It is an arithmetic number, because the mean of its divisors is an integer number (3052591600).

Almost surely, 2^12210109999 is an apocalyptic number.

12210109999 is a deficient number, since it is larger than the sum of its proper divisors (256401).

12210109999 is an equidigital number, since it uses as much as digits as its factorization.

12210109999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256400.

The product of its (nonzero) digits is 26244, while the sum is 43.

The spelling of 12210109999 in words is "twelve billion, two hundred ten million, one hundred nine thousand, nine hundred ninety-nine".