12234011221 has 8 divisors (see below), whose sum is σ = 12448274688. Its totient is φ = 12020190000.

The previous prime is 12234011203. The next prime is 12234011281. The reversal of 12234011221 is 12211043221.

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 12234011221 - 2¹⁷ = 12233880149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12234011201) 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, 54505 + ... + 165646.

It is an arithmetic number, because the mean of its divisors is an integer number (1556034336).

Almost surely, 2^12234011221 is an apocalyptic number.

It is an amenable number.

12234011221 is a deficient number, since it is larger than the sum of its proper divisors (214263467).

12234011221 is an equidigital number, since it uses as much as digits as its factorization.

12234011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221123.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12234011221 its reverse (12211043221), we get a palindrome (24445054442).

The spelling of 12234011221 in words is "twelve billion, two hundred thirty-four million, eleven thousand, two hundred twenty-one".