12210219998 has 8 divisors (see below), whose sum is σ = 18337479192. Its totient is φ = 6097726936.

The previous prime is 12210219997. The next prime is 12210220019. The reversal of 12210219998 is 89991201221.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210219997) 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, 3689465 + ... + 3692772.

It is an arithmetic number, because the mean of its divisors is an integer number (2292184899).

Almost surely, 2^12210219998 is an apocalyptic number.

12210219998 is a deficient number, since it is larger than the sum of its proper divisors (6127259194).

12210219998 is an equidigital number, since it uses as much as digits as its factorization.

12210219998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7383066.

The product of its (nonzero) digits is 46656, while the sum is 44.

The spelling of 12210219998 in words is "twelve billion, two hundred ten million, two hundred nineteen thousand, nine hundred ninety-eight".