12002100121222 has 8 divisors (see below), whose sum is σ = 18003908376216. Its totient is φ = 6000797329152.

The previous prime is 12002100121199. The next prime is 12002100121241. The reversal of 12002100121222 is 22212100120021.

It is a happy number.

12002100121222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 12002100121196 and 12002100121205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126306363 + ... + 126401350.

It is an arithmetic number, because the mean of its divisors is an integer number (2250488547027).

Almost surely, 2^{12002100121222} is an apocalyptic number.

12002100121222 is a deficient number, since it is larger than the sum of its proper divisors (6001808254994).

12002100121222 is a wasteful number, since it uses less digits than its factorization.

12002100121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252731462.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12002100121222 its reverse (22212100120021), we get a palindrome (34214200241243).

The spelling of 12002100121222 in words is "twelve trillion, two billion, one hundred million, one hundred twenty-one thousand, two hundred twenty-two".