12021000112223 has 4 divisors (see below), whose sum is σ = 12031958180880. Its totient is φ = 12010042043568.

The previous prime is 12021000112211. The next prime is 12021000112267. The reversal of 12021000112223 is 32221100012021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12021000112223 - 2¹⁰ = 12021000111199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021000118223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5479032683 + ... + 5479034876.

It is an arithmetic number, because the mean of its divisors is an integer number (3007989545220).

Almost surely, 2^{12021000112223} is an apocalyptic number.

12021000112223 is a deficient number, since it is larger than the sum of its proper divisors (10958068657).

12021000112223 is a wasteful number, since it uses less digits than its factorization.

12021000112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10958068656.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12021000112223 its reverse (32221100012021), we get a palindrome (44242100124244).

The spelling of 12021000112223 in words is "twelve trillion, twenty-one billion, one hundred twelve thousand, two hundred twenty-three".