13233121224 has 32 divisors (see below), whose sum is σ = 33576580320. Its totient is φ = 4345203456.

The previous prime is 13233121211. The next prime is 13233121243. The reversal of 13233121224 is 42212133231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 13233121194 and 13233121203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4113169 + ... + 4116384.

It is an arithmetic number, because the mean of its divisors is an integer number (1049268135).

Almost surely, 2^13233121224 is an apocalyptic number.

It is an amenable number.

13233121224 is an abundant number, since it is smaller than the sum of its proper divisors (20343459096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13233121224 is a wasteful number, since it uses less digits than its factorization.

13233121224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8229629 (or 8229625 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 13233121224 its reverse (42212133231), we get a palindrome (55445254455).

The spelling of 13233121224 in words is "thirteen billion, two hundred thirty-three million, one hundred twenty-one thousand, two hundred twenty-four".