12212001201121 has 8 divisors (see below), whose sum is σ = 12214784131200. Its totient is φ = 12209218598160.

The previous prime is 12212001201091. The next prime is 12212001201133. The reversal of 12212001201121 is 12110210021221.

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 12212001201121 - 2⁵ = 12212001201089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12212001201095 and 12212001201104.

It is not an unprimeable number, because it can be changed into a prime (12212001201181) 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, 84182511 + ... + 84327451.

It is an arithmetic number, because the mean of its divisors is an integer number (1526848016400).

Almost surely, 2^{12212001201121} is an apocalyptic number.

It is an amenable number.

12212001201121 is a deficient number, since it is larger than the sum of its proper divisors (2782930079).

12212001201121 is a wasteful number, since it uses less digits than its factorization.

12212001201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163559.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12212001201121 its reverse (12110210021221), we get a palindrome (24322211222342).

The spelling of 12212001201121 in words is "twelve trillion, two hundred twelve billion, one million, two hundred one thousand, one hundred twenty-one".