12233210121 has 12 divisors (see below), whose sum is σ = 19276573680. Its totient is φ = 7414066680.

The previous prime is 12233210117. The next prime is 12233210167. The reversal of 12233210121 is 12101233221.

12233210121 is a `hidden beast` number, since 1 + 223 + 321 + 0 + 121 = 666.

It is not a de Polignac number, because 12233210121 - 2² = 12233210117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12233210094 and 12233210103.

It is not an unprimeable number, because it can be changed into a prime (12233210321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61783791 + ... + 61783988.

It is an arithmetic number, because the mean of its divisors is an integer number (1606381140).

Almost surely, 2^12233210121 is an apocalyptic number.

12233210121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12233210121 is a deficient number, since it is larger than the sum of its proper divisors (7043363559).

12233210121 is a wasteful number, since it uses less digits than its factorization.

12233210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123567796 (or 123567793 counting only the distinct ones).

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

Adding to 12233210121 its reverse (12101233221), we get a palindrome (24334443342).

The spelling of 12233210121 in words is "twelve billion, two hundred thirty-three million, two hundred ten thousand, one hundred twenty-one".