12212105964321 has 8 divisors (see below), whose sum is σ = 16308131140000. Its totient is φ = 8128742382432.

The previous prime is 12212105964313. The next prime is 12212105964329. The reversal of 12212105964321 is 12346950121221.

It is an interprime number because it is at equal distance from previous prime (12212105964313) and next prime (12212105964329).

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

It is not a de Polignac number, because 12212105964321 - 2³ = 12212105964313 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 12212105964321.

It is not an unprimeable number, because it can be changed into a prime (12212105964329) 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 7 ways as a sum of consecutive naturals, for example, 3165396196 + ... + 3165400053.

It is an arithmetic number, because the mean of its divisors is an integer number (2038516392500).

Almost surely, 2^{12212105964321} is an apocalyptic number.

It is an amenable number.

12212105964321 is a deficient number, since it is larger than the sum of its proper divisors (4096025175679).

12212105964321 is an equidigital number, since it uses as much as digits as its factorization.

12212105964321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330796895.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 12212105964321 in words is "twelve trillion, two hundred twelve billion, one hundred five million, nine hundred sixty-four thousand, three hundred twenty-one".