12210299999 has 4 divisors (see below), whose sum is σ = 12470093664. Its totient is φ = 11950506336.

The previous prime is 12210299989. The next prime is 12210300059. The reversal of 12210299999 is 99999201221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99999201221 = 919 ⋅108813059.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12210299999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12210299999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210299939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129896762 + ... + 129896855.

It is an arithmetic number, because the mean of its divisors is an integer number (3117523416).

Almost surely, 2^12210299999 is an apocalyptic number.

12210299999 is a deficient number, since it is larger than the sum of its proper divisors (259793665).

12210299999 is an equidigital number, since it uses as much as digits as its factorization.

12210299999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259793664.

The product of its (nonzero) digits is 472392, while the sum is 53.

The spelling of 12210299999 in words is "twelve billion, two hundred ten million, two hundred ninety-nine thousand, nine hundred ninety-nine".