12001002122223 has 12 divisors (see below), whose sum is σ = 17932531907160. Its totient is φ = 7724782975056.

The previous prime is 12001002122183. The next prime is 12001002122231. The reversal of 12001002122223 is 32222120010021.

It is not a de Polignac number, because 12001002122223 - 2⁸ = 12001002121967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12001002122196 and 12001002122205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001002122243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22990425261 + ... + 22990425782.

It is an arithmetic number, because the mean of its divisors is an integer number (1494377658930).

Almost surely, 2^{12001002122223} is an apocalyptic number.

12001002122223 is a deficient number, since it is larger than the sum of its proper divisors (5931529784937).

12001002122223 is a wasteful number, since it uses less digits than its factorization.

12001002122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45980851078 (or 45980851075 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12001002122223 its reverse (32222120010021), we get a palindrome (44223122132244).

The spelling of 12001002122223 in words is "twelve trillion, one billion, two million, one hundred twenty-two thousand, two hundred twenty-three".