12321030229 has 4 divisors (see below), whose sum is σ = 12654031084. Its totient is φ = 11988029376.

The previous prime is 12321030223. The next prime is 12321030233. The reversal of 12321030229 is 92203012321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9783188100 + 2537842129 = 98910^2 + 50377^2 .

It is a cyclic number.

It is not a de Polignac number, because 12321030229 - 2³ = 12321030221 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 (12321030221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166500372 + ... + 166500445.

It is an arithmetic number, because the mean of its divisors is an integer number (3163507771).

Almost surely, 2^12321030229 is an apocalyptic number.

It is an amenable number.

12321030229 is a deficient number, since it is larger than the sum of its proper divisors (333000855).

12321030229 is an equidigital number, since it uses as much as digits as its factorization.

12321030229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333000854.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 12321030229 in words is "twelve billion, three hundred twenty-one million, thirty thousand, two hundred twenty-nine".