12001113120223 has 4 divisors (see below), whose sum is σ = 12293823196368. Its totient is φ = 11708403044080.

The previous prime is 12001113120209. The next prime is 12001113120263. The reversal of 12001113120223 is 32202131110021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12001113120223 is a prime.

It is a super-2 number, since 2×12001113120223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12001113120223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001113120263) 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, 146355038011 + ... + 146355038092.

It is an arithmetic number, because the mean of its divisors is an integer number (3073455799092).

Almost surely, 2^{12001113120223} is an apocalyptic number.

12001113120223 is a deficient number, since it is larger than the sum of its proper divisors (292710076145).

12001113120223 is an equidigital number, since it uses as much as digits as its factorization.

12001113120223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292710076144.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12001113120223 its reverse (32202131110021), we get a palindrome (44203244230244).

The spelling of 12001113120223 in words is "twelve trillion, one billion, one hundred thirteen million, one hundred twenty thousand, two hundred twenty-three".