12233433433221 has 144 divisors (see below), whose sum is σ = 24384030023808. Its totient is φ = 5707630656000.

The previous prime is 12233433433219. The next prime is 12233433433229.

12233433433221 is a `hidden beast` number, since 1 + 2 + 233 + 43 + 34 + 332 + 21 = 666.

12233433433221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12233433433221 - 2¹ = 12233433433219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233433433229) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11837371 + ... + 12829271.

It is an arithmetic number, because the mean of its divisors is an integer number (169333541832).

Almost surely, 2^{12233433433221} is an apocalyptic number.

12233433433221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12233433433221 is a deficient number, since it is larger than the sum of its proper divisors (12150596590587).

12233433433221 is a wasteful number, since it uses less digits than its factorization.

12233433433221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992012 (or 991972 counting only the distinct ones).

The product of its digits is 186624, while the sum is 36.

It can be divided in two parts, 1223343 and 3433221, that added together give a palindrome (4656564).

The spelling of 12233433433221 in words is "twelve trillion, two hundred thirty-three billion, four hundred thirty-three million, four hundred thirty-three thousand, two hundred twenty-one".