12233320001221 has 16 divisors (see below), whose sum is σ = 13486195844928. Its totient is φ = 11004512803200.

The previous prime is 12233320001213. The next prime is 12233320001233. The reversal of 12233320001221 is 12210002333221.

It is a cyclic number.

It is not a de Polignac number, because 12233320001221 - 2³ = 12233320001213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12233320001192 and 12233320001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233320004221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14831736 + ... + 15634801.

It is an arithmetic number, because the mean of its divisors is an integer number (842887240308).

Almost surely, 2^{12233320001221} is an apocalyptic number.

12233320001221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12233320001221 is a deficient number, since it is larger than the sum of its proper divisors (1252875843707).

12233320001221 is a wasteful number, since it uses less digits than its factorization.

12233320001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30466932.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12233320001221 its reverse (12210002333221), we get a palindrome (24443322334442).

It can be divided in two parts, 1223332000 and 1221, that added together give a palindrome (1223333221).

The spelling of 12233320001221 in words is "twelve trillion, two hundred thirty-three billion, three hundred twenty million, one thousand, two hundred twenty-one".