12233121210 has 48 divisors (see below), whose sum is σ = 32581883880. Its totient is φ = 3182599680.

The previous prime is 12233121181. The next prime is 12233121269. The reversal of 12233121210 is 1212133221.

12233121210 is a `hidden beast` number, since 122 + 331 + 2 + 1 + 210 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10532301129 + 1700820081 = 102627^2 + 41241^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1653915 + ... + 1661294.

Almost surely, 2^12233121210 is an apocalyptic number.

12233121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12233121210 is an abundant number, since it is smaller than the sum of its proper divisors (20348762670).

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

12233121210 is a wasteful number, since it uses less digits than its factorization.

12233121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315263 (or 3315260 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12233121210 its reverse (1212133221), we get a palindrome (13445254431).

The spelling of 12233121210 in words is "twelve billion, two hundred thirty-three million, one hundred twenty-one thousand, two hundred ten".