12054221223 has 24 divisors (see below), whose sum is σ = 17879132544. Its totient is φ = 7217551440.

The previous prime is 12054221189. The next prime is 12054221237. The reversal of 12054221223 is 32212245021.

It is not a de Polignac number, because 12054221223 - 2²⁴ = 12037444007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12054221193 and 12054221202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12054225223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169915 + ... + 230172.

It is an arithmetic number, because the mean of its divisors is an integer number (744963856).

Almost surely, 2^12054221223 is an apocalyptic number.

12054221223 is a deficient number, since it is larger than the sum of its proper divisors (5824911321).

12054221223 is a wasteful number, since it uses less digits than its factorization.

12054221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400195 (or 400184 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 12054221223 its reverse (32212245021), we get a palindrome (44266466244).

The spelling of 12054221223 in words is "twelve billion, fifty-four million, two hundred twenty-one thousand, two hundred twenty-three".