12022112121121 has 8 divisors (see below), whose sum is σ = 12054444180480. Its totient is φ = 11989784972592.

The previous prime is 12022112121083. The next prime is 12022112121163. The reversal of 12022112121121 is 12112121122021.

It is a happy number.

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-12022112121121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022112121221) 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, 3701610 + ... + 6143788.

It is an arithmetic number, because the mean of its divisors is an integer number (1506805522560).

Almost surely, 2^{12022112121121} is an apocalyptic number.

It is an amenable number.

12022112121121 is a deficient number, since it is larger than the sum of its proper divisors (32332059359).

12022112121121 is a wasteful number, since it uses less digits than its factorization.

12022112121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455415.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12022112121121 its reverse (12112121122021), we get a palindrome (24134233243142).

The spelling of 12022112121121 in words is "twelve trillion, twenty-two billion, one hundred twelve million, one hundred twenty-one thousand, one hundred twenty-one".