12230012212121 has 8 divisors (see below), whose sum is σ = 13342050160704. Its totient is φ = 11118010706320.

The previous prime is 12230012212109. The next prime is 12230012212141. The reversal of 12230012212121 is 12121221003221.

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

It is a cyclic number.

It is not a de Polignac number, because 12230012212121 - 2¹⁰ = 12230012211097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12230012212093 and 12230012212102.

It is not an unprimeable number, because it can be changed into a prime (12230012212141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8406626 + ... + 9753531.

It is an arithmetic number, because the mean of its divisors is an integer number (1667756270088).

Almost surely, 2^{12230012212121} is an apocalyptic number.

12230012212121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12230012212121 is a deficient number, since it is larger than the sum of its proper divisors (1112037948583).

12230012212121 is a wasteful number, since it uses less digits than its factorization.

12230012212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18221391.

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

Adding to 12230012212121 its reverse (12121221003221), we get a palindrome (24351233215342).

The spelling of 12230012212121 in words is "twelve trillion, two hundred thirty billion, twelve million, two hundred twelve thousand, one hundred twenty-one".