12210000121121 has 8 divisors (see below), whose sum is σ = 13437876240864. Its totient is φ = 11001770019520.

The previous prime is 12210000121091. The next prime is 12210000121153. The reversal of 12210000121121 is 12112100001221.

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 12210000121121 - 2³⁸ = 11935122214177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210000121096 and 12210000121105.

It is not an unprimeable number, because it can be changed into a prime (12210000121621) 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, 4911503231 + ... + 4911505716.

It is an arithmetic number, because the mean of its divisors is an integer number (1679734530108).

Almost surely, 2^{12210000121121} is an apocalyptic number.

12210000121121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12210000121121 is a deficient number, since it is larger than the sum of its proper divisors (1227876119743).

12210000121121 is a wasteful number, since it uses less digits than its factorization.

12210000121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9823009071.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12210000121121 its reverse (12112100001221), we get a palindrome (24322100122342).

The spelling of 12210000121121 in words is "twelve trillion, two hundred ten billion, one hundred twenty-one thousand, one hundred twenty-one".