12001120223 has 4 divisors (see below), whose sum is σ = 12004028088. Its totient is φ = 11998212360.

The previous prime is 12001120213. The next prime is 12001120231. The reversal of 12001120223 is 32202110021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32202110021 = 1559 ⋅20655619.

It is a cyclic number.

It is not a de Polignac number, because 12001120223 - 2⁴ = 12001120207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001120198 and 12001120207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001120213) 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, 1447733 + ... + 1455998.

It is an arithmetic number, because the mean of its divisors is an integer number (3001007022).

Almost surely, 2^12001120223 is an apocalyptic number.

12001120223 is a deficient number, since it is larger than the sum of its proper divisors (2907865).

12001120223 is an equidigital number, since it uses as much as digits as its factorization.

12001120223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907864.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12001120223 its reverse (32202110021), we get a palindrome (44203230244).

The spelling of 12001120223 in words is "twelve billion, one million, one hundred twenty thousand, two hundred twenty-three".