12000001229 has 8 divisors (see below), whose sum is σ = 12084235800. Its totient is φ = 11915816256.

The previous prime is 12000001159. The next prime is 12000001231. The reversal of 12000001229 is 92210000021.

It can be written as a sum of positive squares in 4 ways, for example, as 1142778025 + 10857223204 = 33805^2 + 104198^2 .

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 12000001229 - 2¹² = 11999997133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000001249) 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, 567287 + ... + 588059.

It is an arithmetic number, because the mean of its divisors is an integer number (1510529475).

Almost surely, 2^12000001229 is an apocalyptic number.

It is an amenable number.

12000001229 is a deficient number, since it is larger than the sum of its proper divisors (84234571).

12000001229 is a wasteful number, since it uses less digits than its factorization.

12000001229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24799.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 12000001229 in words is "twelve billion, one thousand, two hundred twenty-nine".