12212302120121 has 8 divisors (see below), whose sum is σ = 12214514379744. Its totient is φ = 12210090037600.

The previous prime is 12212302120069. The next prime is 12212302120189. The reversal of 12212302120121 is 12102120321221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12212302120121 is a prime.

It is a super-2 number, since 2×12212302120121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12212302120093 and 12212302120102.

It is not an unprimeable number, because it can be changed into a prime (12212302180121) 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, 259531046 + ... + 259578096.

It is an arithmetic number, because the mean of its divisors is an integer number (1526814297468).

Almost surely, 2^{12212302120121} is an apocalyptic number.

It is an amenable number.

12212302120121 is a deficient number, since it is larger than the sum of its proper divisors (2212259623).

12212302120121 is an equidigital number, since it uses as much as digits as its factorization.

12212302120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88551.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12212302120121 its reverse (12102120321221), we get a palindrome (24314422441342).

The spelling of 12212302120121 in words is "twelve trillion, two hundred twelve billion, three hundred two million, one hundred twenty thousand, one hundred twenty-one".