12234432121 has 8 divisors (see below), whose sum is σ = 12467487744. Its totient is φ = 12002424720.

The previous prime is 12234432061. The next prime is 12234432127. The reversal of 12234432121 is 12123443221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12234432121 - 2¹⁷ = 12234301049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12234432127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238471 + ... + 285196.

It is an arithmetic number, because the mean of its divisors is an integer number (1558435968).

Almost surely, 2^12234432121 is an apocalyptic number.

It is an amenable number.

12234432121 is a deficient number, since it is larger than the sum of its proper divisors (233055623).

12234432121 is an equidigital number, since it uses as much as digits as its factorization.

12234432121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524111.

The product of its digits is 2304, while the sum is 25.

Adding to 12234432121 its reverse (12123443221), we get a palindrome (24357875342).

It can be divided in two parts, 1223 and 4432121, that added together give a palindrome (4433344).

The spelling of 12234432121 in words is "twelve billion, two hundred thirty-four million, four hundred thirty-two thousand, one hundred twenty-one".