12021303223 has 8 divisors (see below), whose sum is σ = 12280570560. Its totient is φ = 11762181600.

The previous prime is 12021303221. The next prime is 12021303233. The reversal of 12021303223 is 32230312021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12021303223 - 2¹ = 12021303221 is a prime.

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 12021303223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021303221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139393 + ... + 208501.

It is an arithmetic number, because the mean of its divisors is an integer number (1535071320).

Almost surely, 2^12021303223 is an apocalyptic number.

12021303223 is a deficient number, since it is larger than the sum of its proper divisors (259267337).

12021303223 is an equidigital number, since it uses as much as digits as its factorization.

12021303223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72857.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12021303223 its reverse (32230312021), we get a palindrome (44251615244).

The spelling of 12021303223 in words is "twelve billion, twenty-one million, three hundred three thousand, two hundred twenty-three".